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2
10th Class Bit Bank Special-Physical Science
Ýë„ìS ¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
1. Measurement of Length
Bit bank written by
1. Smallest length that can be measured
accurately using any scale is called ____.
2. Screw Gauge works on the principle of
____.
3. The scale marked on the index line of a
Screw Gauge is ____.
4. Screw Gauge consists of ____ scale and
____ scale
5. Pitch of the screw (P) = ____.
6. For a screw gauge, Least Count = ____.
7. If the zeroth division of the head scale is
below the index line of Pitch scale, the
error is said to be ____.
8. For a Positive zero error, the correction is
____.
9. If the zeroth division of the head scale is
above the index line of Pitch scale, the
error is said to be ____.
10. For a negative zero error, the correction is
____.
11. Diameter of a wire or thickness of an
object using Screw Gauge is ____.
2. Our Universe Gravitation
A. Naga Rajasekhar
School Assistant.
Chathakonda, Khammam
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
3. Kinematics
1. For a freely falling body the initial velocity U=____.
2. The value of g for a freely falling body is
____.
3. The laws of motion in the case of freely
falling body are ____.
4. The value of 'g' for a body thrown upward
is ____.
5. The maximum height reached by a body
thrown upward ____.
6. Time taken by a vertically projected body
to reach its maximum height is called
Geocentric Theory was proposed by ____.
Heliocentric Theory was proposed by ___.
Ptolemaic Theory is also known as ____.
The distance of the moon from the earth is
about ____.
The value of Universal Gravitational
Constant ____.
Gravitational Constant is applicable ____.
Units of G are ____.
The uniform acceleration produced in a
freely falling body due to gravitational
pull of the earth is known as ____.
Units of acceleration due to gravity(g)
are____.
The relation between G and g is ____.
____.
7. Time taken by a freely falling body to
touch the ground is ____.
8. The sum of time of ascent and time of
descent is called ____.
9. The time of ascent is equal to the ____ in
the case of bodies moving under gravity.
10. The upward velocity at any point in its
fleight is ____.
11. Time of fleight is directly proportional to
its ____.
12. A body is projected vertically upward with
a velocity 20m/sec. Then the maximum
height reached by the body is ____.
12. The least count of a Screw Gauge whose
head scale divisions are 100; if it moves
5mm distance when the head is rotated
through 5 revolutions is ____.
13. The head of a Screw Gauge is divided into
50 divisions if it advances 1mm when
screw is turned through 2 rotations then
the pitch of the screw is ____.
14. While measuring the diameter of a nail
using a Screw Gauge of L.C. 0.01 mm, the
H.S.R. is 18 and P.S.R. is found to be
ANSWERS
1) Least Count; 2) Screw in a nut; 3) Pitch
Scale; 4) Pitch, Head; 5) Distance travelled by the screw (x)/ No. of complete
rotations made(n); 6) Pitch of the
screw(p)/No. of Head scale divisions(n);
7) Positive Zero Error; 8) Negative; 9)
Negative Zero Error; 10) Positive; 11)
PSR+(HSR×L.C.); 12) 0.0001 c.m.; 13)
0.5mm; 14) 1.68mm; 15) Pitch of the
screw.
11. Mass of the earth is ____.
12. Radius of the earth is ____.
13. Acceleration due to gravity is independent
of ____.
14. At a height equal to half the radius of
earth, acceleration due to gravity
approaches ____.
15. At the center of the earth, acceleration due
to gravity is ____.
16. The value of 'g' at the poles is ____.
17. The value of 'g' at the equator is ____.
18. The instrument used to measure small
changes in the value of g at a given location is called ____.
19. The weight of a body on the moon is ____
of its weight on the earth.
20. The mass of a body is ____ anywhere in
the universe.
21. Two cars of masses 1000Kg and 1200Kg
are separated by a distance of 5m. The
gravitational force acting between them is
____.
22. The gravitational force acting on a stone
of mass 10Kg is ____.
23. The weight of a stone of mass 400gms is
____.
24. ____ helps in the determination of the
weight of a body.
25. According to Keppler's laws planets
revolve around Sun in ____ orbits
26. A person weighs 60Kg on the earth. His
weight on the moon would be ____.
13. A stone is dropped from the top of a building is found to reach the ground in 1sec.
The height of the building is ____.
14. A ball is thrown up and attains a maximum
height of 80m. Its initial speed is ____.
ANSWERS
1) zero; 2) positive; 3) v=gt, h=½gt,
v2=2gh; 4) negative; 5) h=u2/2g; 6) time of
ascent; 7) time of descent; 8) time of
fleight; 9) time of descent; 10) 2gh ;
11) initial velocity; 12) 20m; 13) 5m; 14)
40m/sec; 15) v = 2 gh .
Paper - I
Physics
1.5mm, then the diameter of the nail =
____.
15. The distance traveled by the tip of a screw
for one complete rotation of its head is
called the ____.
IMPORTANT QUESTIONS
1 Mark
1. What is meant by Least count of a Screw
Gauge?
2. On what principle does a Screw Gauge
work?
4 Marks
1. Describe a method to find the diameter of
a wire using Screw Gauge?
2. What are the Positive and Negative Zero
Errors of a Screw Gauge? How are they
determined?
5 Marks
1. Draw a neat labeled diagram of a Screw
Gauge?
2. Draw the diagrams showing a) No Zero
Error, b) Positive Zero Error, c) Negative
Zero Error of a Screw Gauge?
ANSWERS
1) Ptolemy; 2) Copernicus; 3) Geocentric
theory; 4) 3.85×105 Km; 5) G= 6.67×10−11
Nm2/kg2; 6) every where in the universe.;
7) Nm2/Kg2; 8)acceleration due to gravity;
GM
24
9) m/sec2; 10) g = r 2 ; 11) 6×10 Kg;
12) 6.4×106m; 13) mass; 14) zero;
15) zero; 16) maximum; 17) minimum;
1
18) gravity meter; 19) 6 ; 20) constant;
−6
21) 3.2 × 10 Newtons; 22) 9.8N;
23) 3.92N; 24) Hooke's law; 25) elliptical; 26) 10 Kg.
th
IMPORTANT QUESTIONS
1 Mark
1. What is Helio centric theory?
2. What is meant by Acceleration due to
gravity?
3. Define the weight of an object?
4. State Hook's law?
2 Marks
1. Mention the differences between Geocentric theory and Heliocentric theory?
2. Derive a relation between acceleration due
to gravity(g) and Universal law of
Gravitation(G)?
3. Mention the differences between 'g' and
'G'?
4. Mention the differences between mass and
weight of an object?
5. What are the factors influencing 'g'?
15. The velocity of a body falling from a
height 'h' while touching the ground is
____.
IMPORTANT QUESTIONS
1 Mark
1. What is the time of fleight?
2. Find the velocity of a freely falling body
from a height of 20m when it touches the
ground? ( g = 10m/sec2)
2 Marks
1. Derive an expression to find the maximum
height reached by a vertically projected
body?
Paper - I
10th Class Bit Bank Special-Physical Science Ýë„ìS
Physics
4. Dynamics
1. The study of motion of a body under the
action of a force is called ____.
2. Circular motion is the simplest of ____.
3. The angle described by a radius vector of
a particle on a rotating body in a given
interval of time is known as ____.
4. Angular displacement is measured in
____.
5. The rate of angular displacement is
defined as ____.
6. The units of angular velocity are ____.
7. The line joining the body executing uniform circular motion, and the centre of the
circle is known as ____.
8. The ____ of a particle in a circular motion
is defined as the time taken by it to complete one revolution.
9. In a uniform circular motion, the ____ is
constant.
10. The relation between linear velocity and
angular velocity is ____.
11. The force acting on a body in motion in a
direction normal to the motion of the particle at every point is called a ____.
12. A particle executing uniform circular
motion undergoes a continuous change in
the direction of its velocity which results
in acceleration directed towards the centre
of the circle called ____.
13. Centripetal acceleration____.
14. The force which continuously deflects a
particle from its straight line path and
makes it along a circular path is called
____.
5. Electro Magnetic Spectrum
1. ____ is a group of wavelengths or frequencies.
2. All electromagnetic radiations are ____ in
nature.
3. Velocity of light in vacuum is ____.
4. ____ is emitted when excited valence
electrons in atom jump back to their normal state.
5. ____ radiations are used to take photographs of objects in darkness.
6. Mapping of the radio emissions from
extra-terrestrial sources is known as ____.
7. ____ radiations are produced by the transitions of electrons in atoms.
8. ____ protects us from the UV radiation
6. Sound
1. Periodic vibrations of decreasing amplitude are called ____.
2. When a body executes vibrations under
the action of an external periodic force,
then the vibrations are called ____.
3. If one of the two bodies of the same natural frequency is set into vibration, the
other body also vibrates with larger amplitude under the influence of the first body.
This phenomenon is called ____.
4. When two bodies are in resonance, their
____ are equal.
5. Any two successive particles vibrating
with the same phase are separated by a
distance equal to ____.
15. ____ force acts towards the centre of the
circle.
16. Newton's Laws are not valid in ____.
17. Newton's Laws are valid in ____.
18. ____ force is known as fictitious force.
19. Centrifuge works on the principle of ____.
20. A ____ is a machine used to separate particles of higher mass from those of lower
mass in a given mixture.
21. The angle made by the line joining the
outer, raised edge of the road to the inner
edge with the horizontal line is called
____.
22. Banking angle ____.
23. The escape velocity of a body is ____.
24. A ____ is a natural or an artificial body
orbiting around another body of larger
mass and larger radius.
25. Any motion that repeats itself along the
same path in equal intervals of time is
called a ____.
26. If a particle in a periodic motion moves
back and forth over the same path, its
motion is said to be ____.
27. A body executing oscillatory motion
comes to rest at ____.
28. The acceleration of a body executing
S.H.M. is directly proportional to the
____.
29. The time period (T) of a simple pendulum
is independent of ____.
30. The acceleration of a body executing
S.H.M. is always towards ____.
31. The time period of a pendulum is proportional to its ____.
32. The angular velocity of a body executing
uniform circular motion in a circle of
radius 6m, with a constant velocity 12m/
sec is ____.
33. A wheel is making 1800 rotations per minute. Its angular velocity is ____.
34. The time period of a simple pendulum of
length 100 cm is (g = 9.8 m/Sec2) = ____.
35. The length of a Simple Pendulum whose
from Sun.
Medical diagnosis using X-rays is called
____.
Curing of diseases using X-rays is called
____.
____ radiations emitted when an excited
nucleus comes to its ground state.
RADAR stands for ____.
____ are used in RADAR.
Infrared radiations are not absorbed by the
____ glass
In electromagnetic waves, the electric and
magnetic waves oscillate ____ to each
other.
When the molecules change their states of
vibrational or rotational motion, ____ are
emitted.
17. The infrared radiations can be detected by
the devices like ____.
18. Electromagnetic oscillators of high frequency can produce ____.
19. Electromagnetic radiations with shortest
wave length range are ____.
20. Electromagnetic oscillators of low frequency can produce ____.
21. The electromagnetic radiation emitted in
radioactivity is ____.
6. Sets of ____ are formed in longitudinal
waves.
7. Sets of ____ are formed in transverse
waves.
8. On reflection form a rigid of fixed end, a
wave undergoes a phase change of ____.
9. A ____ wave is formed when two waves
of equal frequency and amplitude travels
in opposite directions along the same path.
10. In a stationary wave the points where the
particles undergo minimum displacement
are called ____.
11. In a stationary wave, the points where the
particles undergo maximum displacement
are called ____.
12. The distance between a node and its adjacent antinode is equal to ____.
13. The distance between two successive
nodes or antinodes is equal to ____.
14. Velocity of sound in air is____.
9.
10.
11.
12.
13.
14.
15.
16.
ANSWERS
1) dynamics; 2) rotatory motion;
3) angular displacement; 4) radians;
5) angular velocity; 6) radians/sec; 7)
radius vector; 8) time period; 9) angular
velocity; 10) v = rw; 11) normal force;
12) centripetal acceleration; 13) a =
v2
;
r
14) centripetal force; 15) centripetal; 16)
non inertial frame of reference; 17) inertial frame of reference; 18) centrifugal;
19) bodies of higher mass rotate on a circle of higher radius; 20) centrifuge;
21) angle of banking; 22) θ = Tan −1
v2
;
rg
23) 11 Km/sec; 24) satellite; 25) periodic motion; 26) oscillatory or vibratory
motion; 27) equilibrium position or
mean position; 28) displacement; 29)
amplitude and mass; 30) its mean position; 31) length; 32) 2 rad/sec; 33)
188.57 radians; 34) 2sec; 35)35.7 cm;
36) g = 4π 2
l
; 37) friction between
T2
the tyres and the road; 38) centrifuge;
39) 240 N; 40) tangential.
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
3
Time period is 1.2 sec is ____.
36. The formula to find the acceleration due to
gravity with the help of Simple Pendulum
is ____.
37. A car moves on a curved but leveled road.
The necessary centripetal force on the car
is provided by ____.
38. ____ is used to separate the sugar crystals
from Molasses.
39. A car of mass of 1200 Kg takes a turn of a
curved road of radius 180m, with a speed
of 6m/sec. The centripetal force acting on
the car is ____.
40. If the string of a whirling stone is cut, the
stone moves in ____direction.
IMPORTANT QUESTIONS
1 Mark
1. What is the principle of launching a satellite into an orbit?
2. What is a Centripetal Force?
3. Define Banking Angle?
2 Marks
1. Distinguish between Rotatory motion and
Circular motion?
2. What is a centrifuge? How does it work?
3. Describe the working of a laundry drier?
4. What is the necessity of Banking of roads?
5. What are the characteristics of Simple
Harmonic Motion?
4 Marks
1. Distinguish between Centripetal force and
Centrifugal force?
2. Derive an expression to find the Banking
Angle?
ANSWERS
1) spectrum; 2) transverse; 3) 3×108
m/sec; 4) visible spectrum; 5) infrared;
6) radio astronomy; 7) ultraviolet; 8)
ozone layer; 9) radiography; 10) radio
therapy; 11) gamma; 12) radio detec-ting
and ranging; 13) microwaves; 14) rocksalt; 15) perpendicular; 16) Infrared rays;
17) thermopiles or bolometers; 18)
microwaves; 19) γ radiation; 20) radio
waves; 21) γ radiations;
IMPORTANT QUESTIONS
1 Mark
1. Draw the sketch of Electro magnetic
wave?
2. What is Radiography?
3. What is Radiotherapy?
15. In the formula v =
4. What are the uses of hard X - rays?
2 Marks
1. What are the common features among all
electro-magnetic radiations?
γp
, γ is ____.
ρ
16. Velocity of sound if the frequency of the
wave is n and wavelength is λ is ____.
17. Velocity of sound in air according to resonating air columns experiment is ____.
18. If the distance between a node and its
adjacent antinode is 10 cm, then the wavelength = ____.
19. In resonating air columns if the length of
first resonance is 10 cm, then the length of
air column at second resonance is ____.
20. ____are formed in resonating air columns.
21. The waves in which direction of vibration
of particles is perpendicular to the direction of propagation of wave then the wave
is called ____.
22. A medium transmits a sound wave
through it by virtue of its ____.
4
Ýë„ìS ¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
23. The length of air column at first resonance
is l1 = ____.
ANSWERS
1. damped vibrations; 2. forced vibrations;
3. resonance; 4. frequencies; 5. wave
length (λ).; 6. compressions and rarefactions; 7. crests and troughs; 8. 180o; 9. stationary; 10. nodes; 11. anti nodes; 12. λ/4;
13. λ/2;
24. The length of air column at second resonance is l2 = ____.
14. v =
8. Magnetism
1. Example of Magnetic substance is
______.
2. Weber theory was developed by ____.
3. ____ is used to make electromagnet.
4. The S.I. unit of pole strength is ____ and
in MKS system ____.
5. Unit of magnetic permeability is ____.
(S.I system)
6. The relation between absolute permeability (µ0) and relative permeability (µr) is
____.
7. Relation between B and H is ____.
8. The value of µ0 = ____.
9. The S.I. units of magnetic moment are
____.
10. Intensity of magnetic field at a point on
axial line is ____.
11. Intensity of magnetic field at a point on
equatorial line is ____.
12. When N- pole of a bar magnet points
towards geographical N-pole of the earth
γp
; 15. ratio of specific heats;
ρ
16. v = nλ; 17. v=2 n(l2−l1); 18. 40cm; 19.
30cm; 20. stationary waves; 21. transverse
wave; 22. elasticity and inertia; 23. λ/4; 24.
3λ/4; 25. antinode; 26. node;
7. Light
1. Corpuscular theory of light was proposed
by ____.
2. Wave theory of light was proposed by
____.
3. Electromagnetic theory of light was proposed by ____.
4. Quantum theory of radiation was proposed by ____.
5. According to Corpuscular Theory, various
colours of light are supposed to be due to
____.
6. According to Huygens, waves transmit in
a medium called ____.
7. According to Corpuscular Theory, the
velocity of sound is more in ____.
8. According to Huygens, light propagates in
the form of ____.
9. Newton's Corpuscular Theory could not
explain ____.
10. Corpuscles are ____ by reflecting surface.
11. Corpuscles are ____ by refracting surface.
12. According to Huygen's the colours of light
are due to difference in ____.
13. According to Huygen, the velocity of light
is more in ____ medium
14. In a ripple tank bright bands represent
____ and dark bands are due to ____.
15. The phase difference when constructive
superposition obtained between two
waves is ____.
16. The phase difference when destructive
superposition obtained between two
waves is ____.
17. The bending of a wave front from the orig-
10th Class Bit Bank Special-Physical Science
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
inal direction of propagation when it
meets a small obstacle is called ____.
The science of measuring brightness or
relative luminous intensities of light emitted by different sources using certain standards and techniques is ____.
The unit of luminous flux is ____.
Unit of solid angle ____.
The total solid angle for a sphere is ____
Steredians.
Unit of luminous intensity ____.
The basic scientific principle behind a
laser was first put forward by ____.
Expand LASER: ____.
Lack of coherence makes ordinary light as
____.
Coherence makes a laser light ____.
Bandwidth of LASER is of the order____.
The band width of high quality LASER is
of the order ____.
The process in which the number of electrons (N2) in a higher energy state called
meta stable state of an active medium is
the two null points lie on the ____ line.
13. The magnetic moment required by a substance per unit volume is defined as
_____.
14. Units of Intensity of magnetization
______.
15. Units of Magnetic Susceptibility ____.
16. ____ is not an example for Dia-magnetic
substance.
17. Magnetic permeability of a dia-magnetic
substance is ____.
18. Magnetic susceptibility of a dia-magnetic
substance is ____and ____.
19. The magnetic moment of a short bar magnet of length 5cm and pole strength
2 × 10−3 A-m. is ____.
20. The magnetic quantity which has no units
is ____.
21. Units of magnetic field induction (B) are
____.
22. Units of magnetic field induction (B) in
C.G.S. system are ____.
23. 1 Tesla = ____ Gauss.
25. In a resonating air column, ____ is formed
at the end of the tube.
26. In a resonating air column, ____ is formed
on the surface of water.
Paper - I
Physics
5. What is resonating air column?
6. Define stationary wave?
2 Marks
1. Mention any 2 incidents of Resonance phenomenon observed in your day to day life?
IMPORTANT QUESTIONS
1 Mark
1. What are damped vibrations?
2. Define Resonance?
3. Define Node and Antinode?
4. Draw the sketch of Stationary wave?
30.
31.
32.
33.
34.
35.
36.
increased to a value greater than the number (N1) in the ground state (i.e. N2>N1) is
called ____.
The process of achieving population
inversion is called ____.
Example for solid state laser is ____.
____ is used as active medium in Ruby
laser.
The wave length of Ruby laser is ____.
____ is an example of gaseous laser.
The active medium in He-Ne laser is____.
In He-Ne laser, pumping is achieved by
____.
ANSWERS
1. Newton; 2. Huygens; 3. Maxwell; 4.
Max Planck; 5. difference in the size of
Corpuscles; 6. Ether; 7. Denser medium;
8. waves; 9. interference, diffraction, and
polarisation; 10. repelled; 11. attracted; 12.
wavelengths; 13. rarer; 14. crests, troughs;
15. 2nπ; 16. (2n+1)π; 17. diffraction;
18. visual photometry; 19. erg/sec or
lumen; 20. steredian; 21. 4π; 22. candela;
23. Dr. Charles.H. Townes; 24. light
amplification by stimulated emission of
radiation; 25. optical noise; 26. optical
music; 27. 10Ao; 28. 10−8Ao;
29. Population inversion; 30. pumping;
31. Ruby laser; 32. Ruby crystal(Al2O3
Cr3+); 33. 6943 Ao; 34. He−Ne laser;
35. Ne; 36. radio frequency (r.f.) generators; 37. 6328Ao; 38. halography;
39. luminous flux; 40. xenon discharge
tube; 41. micro - Raman spectroscopy.
ANSWERS
1. Nickel; 2. Ewing; 3. soft Iron; 4. Ampmeter, Weber;
5.
Henry/meter;
6.µr=µ/µ0; 7. B=µ0H; 8. 4π × 10−7Henry/
metre; 9. Ampere-meter2;
µ M
µ 2M
10. B = 0 3 ; 11. B = 0 3 ;
4π d
4π d
12. Equatorial; 13. Intensity of Magnetisation; 14. Amp/meter; 15. no units; 16.
iron; 17. 1 or less than 1; 18. very less,
negative; 19. 1.0 × 10−3 A-m2;
20. Magnetic Susceptibility; 21. N/A-m
or Weber/meter2 or Tesla; 22. Gauss;
23. 104.
IMPORTANT QUESTIONS
1 Mark
1. Define Magnetic moment?
2. What are Ferro magnetic substances?
3. Define magnetic field induction?
2 Marks
1. State and explain Coulomb's inverse
4 Marks
1. Distinguish between progressive and stationary waves?
2. Describe an experiment to determine the
velocity of sound in air?
37. The wave length of He-Ne laser is ____.
38. Lasers are used in a special three dimensional photography called ____.
39. Lumen is the unit of ____.
40. Pumping is achieved by ____ in Ruby
Laser.
41. The high intensity and directionality of
lasers led to the development of a new
branch of science called ____.
IMPORTANT QUESTIONS
1 Mark
1. Expand LASER?
2. Define Diffraction?
3. What is interference?
4. Define 'Solid angle'?
2 Marks
1. What are the different theories which
explain the nature of light?
2. What are the special properties of LASER
light?
3. Mention the applications of LASER in
medicinal field?
4. Mention the applications of LASER in
industry?
5. What are the basic processes involved in
the working of a LASER?
4 Marks
1. Give a comparison between Newton's
Corpuscular theory and Huygens's wave
Theory of light?
2. Describe a ripple tank? How does it help
in understanding reflection and refraction
of light?
3. What are the applications of LASER light
in Science and Technology?
square law of magnetism?
2. Define magnetic susceptibility and magnetic permeability?
3. Define a) Magnetic flux density
b) Magnetic field intensity?
4 Marks
1. What are the essential ideas of Ewing's
molecular theory of magnetism? What are
the reasons for its failure?
2. Compare the values of susceptibility and
permeability of Dia, Para, and Ferro magnetic substances?
3. Compare the properties of Dia, Para, and
Ferro magnetic substances?
5 Marks
1. Draw the arrangements of magnetic lines
of force when the magnetic North facing
towards Geographic North? Locate the
null points?
2. Draw the arrangement of magnetic lines
of force when the magnetic South facing
towards Geographic North? Locate the
null points?
Paper - I
Physics
9. Current Electricity
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
Units of electric current ____.
Current is measured in Amperes using __.
Current i =____.
Units of electrical Potential ____.
The Potential Difference of an electrical
device or energy source is called its ____.
Units of electro motive force (e.m.f.)____.
Symbol for battery____.
When cells are connected in series more
____ will appear in the circuit.
When cells are connected in series, the
resultant potential difference is equal to
the ____.
Tap key is used to ____ and ____ the circuit.
When the cells of 1V, 1.5V, 2V, are connected in series then the resultant emf is
____.
When three cells of 1V, 1.5V, 2V are connected in parallel, then the resultant emf is
____.
If 90 coulombs charge i passes through the
conductor for 5 minutes, then the current
in the conductor would be ____.
Electric potential is measured using ____.
The electric property of a conductor which
opposes the free flow of current is called
____.
Units of resistance ____.
Symbol for Resistance ____.
Volt/Amp = ____.
Conductors which obey Ohm's Law are
called ____.
Example of Ohmic conductors ____.
Ohmic conductors are also called ____.
Conductors which do not obey Ohm's Law
are called ____.
____ is used to regulate the value of current in a circuit.
The resistance of a conductor is directly
proportional to its ____.
The resistance of a conductor is inversely
proportional to its ____.
The resistance of a specimen of unit length
and unit area of cross section is called ___.
Unit of Specific Resistance is ____.
When resistances are connected in series
their equivalent resistance is equal to____.
The equivalent resistance is more than any
individual resistances when resistances
are connected in ____.
In a parallel combination of resistances,
the reciprocal of equivalent resistance is
equal to ____.
The effective resistance is less than that of
individual resistances if they are in ____
combination.
When two resistances of 6 Ω and 12 Ω are
connected in series then the effective
resistance is ____.
10th Class Bit Bank Special-Physical Science Ýë„ìS
33. When two resistances of 6 Ω and 12 Ω are
connected in parallel then the effective
resistance is ____.
34. If two resistances of 100 Ω and 1Ω are
connected in parallel then the effective
resistance is ____.
35. The effective resistance of a combination
of three resistances is 100Ω. The value of
two resistors is 20Ω and 30 Ω.Then the
value of third resistance is ____.
36. In a resistor electric current causes ____
effect.
37. In the formula Q = msθ, s is called ____.
38. Rate of electric work done is defined as
____.
39. Units of electric power are ____.
40. If one Joule of work is done in one second
then the electric power is said to be ____.
41. Volt- Amp = ____.
42. The rate of which electrical energy is consumed by an electrical appliance is defined as the ____ of the electrical appliance.
43. The value of J = ____.
44. The units of house hold consumption of
electrical energy are ____.
45. 1 K.W.H. = ____.
46. The process of decomposition of chemical
compound in a solution when electric current passes through it is called ____.
47. Units of e.c.e. are ____.
48. The ____ of an element is defined as the
mass of its ions liberated at the electrode
when one coulomb of electricity is passed
through the electrolyte.
49. ____ is a process of coating a thin film of
costlier or less corrodible metal on a base
metal by the method of electrolysis.
50. Laws of Electrolysis were proposed by
____.
51. Electro Chemical Equivalence of copper
is ____.
52. ____ is used to obtain copper coating.
53. The force acting on a current carrying
conductor placed in a magnetic field is __.
54. According to Flemming's left hand rule
the direction of force acting on a current
carrying conductor is a long ____.
55. A current carrying conductor also acts as a
____.
56. Electrical energy is converted into
mechanical energy by ____.
57. Rectangular coil of wire in a motor is
known as ____.
58. The full form of R.P.M. is ____.
59. In a motor ____ is used to reverse the current direction.
60. In an A.C. motor there is no need of a
____ to reverse the current direction.
61. A relative motion of a magnet and a coil
induces ____ in the coil.
62. The cause of ____ in a coil is the change
in the magnetic flux linked with it.
63. According to Faraday's electro magnetic
induction the induced e.m.f. ____.
64. The induced current will appear in such a
direction that it opposes the ____.
65. In Flemming's Right Hand Rule the direction of induced e.m.f. is along the ____.
66. A ____ is an electrical device which converts mechanical energy into electrical
energy.
67. ____ works on the principle of electromagnetic induction.
68. Self induction L = ____.
69. Units of self induction are ____.
70. The unit of mutual induction is ____.
71. A ____ is an electrical device which either
increases or decreases the magnitude of an
alternating voltage.
72. A transformer works on the principle of
____.
73. The transformer in which the number of
ANSWERS
1. ampere; 2. ammeter; 3. q/t; 4. volt; 5.
voltage; 6. volt; 7.
; 8. potential
difference; 9. Sum of the potential differences of individual cells; 10. break, close;
11. 4.5 V; 12. 2V; 13. 0.3A.; 14. Volt
Meter; 15. resistance; 16. Ohm (Ω);
17.
; 18. Ohm; 19. Ohmic conductors; 20. metals; 21. linear conductors;
22. non Ohmic conductors; 23. Rheostat;
24. length; 25. Area of cross section; 26.
specific resistance; 27. Ohm - meter; 28.
the sum of individual resistances; 29.
series; 30. the sum of reciprocals of the
individual resistances; 31. parallel; 32.
18Ω; 33. 4 Ω; 34. 0.99Ω; 35. 50Ω; 36.
heating; 37. Specific Heat; 38. electric
power; 39. watt or Joule/Sec; 40. one watt;
41. watt; 42. wattage; 43. 4.18 J/Cal; 44.
Kilo Watt Hour; 45. 36× 105 Watt second.;
46. electrolysis; 47. gm/coulomb.; 48. the
electro chemical equivalence;
49. electro plating; 50. Faraday;
51. 0.0003294 gm/coulomb.; 52. CuSo4 ;
53. F = ilB.; 54. thumb; 55. magnet;
56. electrical motor; 57. armature;
58. rotations per minute;
59. commutator; 60. commutator;
61. current; 62. induced E.M.F. ;
63. ε = −N(dφB /dt); 64. Change that produced it; 65. centre finger;
66. dynamo; 67. dynamo; 68. − ε / di/dt;
69. henry; 70. henry; 71. transformer;
72. mutual induction; 73. step up transformer; 74. greater; 75. step down transformer; 76. less; 77. n1/n2 = v1/v2 = i2/i1.;
78. iron core; 79. high, low;
80. 230V; 81. series; 82. parallel.
TIPS TO BE FOLLOWED IN
THE EXAMINATION HALL
First go through the question
paper twice or thrice and
mark the familar questions,
and then start writing.
Short answer type questions
must be in two to four points
only.
Draw diagrams, if necessary.
Essay type questions must
be written point wise.
Highlight the key words in
the answer with a pencil or a
highlighter.
First attempt the questions
as per choice i.e. 2 marks
questions 5, one mark ques-
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
5
turns in primary is less than the number of
turns in secondary(n1>n2) is called ____.
74. In a step up transformer, the output voltage is ____ than the input voltage.
75. The transformer in which the number of
turns in primary are more than the number
of turns in secondary (n1>n2) is called ___.
76. In a step down transformer the output voltage is ____ than input voltage.
77. Transformer rule is ____.
78. A transformer uses ____ to minimize
power loses.
79. Power transmission is carried out in the
form of ____ voltage and ____ current, so
that energy losses are reduced.
80. Voltage of house hold supply is ____.
81. Ammeter is always connected in ____ in
an electrical circuit
82. Volt meter is always connected in ____.
ANS
IMPORTANT QUESTIONS
1 Mark
1. What is Specific Resistance?
2. State Lenz's Law?
3. What is the difference between AC motor
and DC motor?
4. What is the principle of working of a
Transformer?
5. What is electrolysis?
6. What is the use of iron core in a transformer?
7. State Ohm's Law?
2 Marks
1. State the laws of Resistance?
2. State and explain Lenz's law?
3. State Faraday's laws of electrolysis?
4. Differentiate between Step up and Step
down Transformers?
5. On what factors does the speed of a motor
depend?
4 Marks
1. Derive R = R1 + R2 + ........?(or) Show that
the resultant resistance is equal to the sum
of the individual resistances when they are
connected in series?
2. Derive 1/R = 1/R1 + 1/R2 + .......?(or)
Derive an expression to find the resultant
resistance when two or more resistors are
connected in parallel?
3. Derive Q = i2Rt / J
4. Describe an experiment to verify the
Ohm's Law?
5. Describe an experiment to verify the
Faraday's second law of electrolysis?
6. Explain the construction of a Transformer
with a neat labeled diagram?
5 Marks
1. Draw a neat labeled diagram of electric
motor?
tions 4, four marks questions
4, and five marks diagram 1.
After that only attempt the
extra questions.
Avoid spelling errors.
Among the essay questions,
try to select the questions of
the type differences, derivations, and problems to get
full marks.
Leave at least one inch margin on all the sides of the
answer paper.
Avoid using red and green
ink pens for side headings,
underlining, etc, and sketch
pens for diagrams.
6
Ýë„ìS ¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
10. Modern Physics
1. The radius of nucleus is ____.
2. The mass of electron is ____ of the mass
of α particle.
3. Rutherford's gold foil experiment led to
the discovery of ____.
4. Atom is electrically ____.
5. Neutron was discovered by ____.
6 Electrically neutron is ____.
7. The mass of proton is ____ times to the
mass of electron.
8. Protons and neutrons together called ____.
9. The number of protons in an atom is
defined as ____.
10. The mass of the atom is measured in units
called ____.
11. The amu is defined is ____ of the mass of
the neutral carbon atom.
12. The total number of protons and neutrons
in an atom is defined as ____.
13. Mass of proton = ____.
14. Mass of neutron = ____.
15. Einstein's mass energy equivalence is ___.
16. The magnitude of the mass defect is a
measure of the ____ of nucleus.
17. 1 amu = ____.
18. Electron volt is a unit of ____.
19. Radioactivity was discovered by ____.
20. The rays which are deflected towards negative terminal are ____.
21. The rays which are deflected towards positive terminal are ____.
22. The ionizing power of α particle is ____.
23. α particles have ____ penetrating power
when compared to β and γ radiations.
24. β particles are the flow of ____.
25. The ionizing power of γ radiation is ____.
26. The penetrating power of γ radiation is
____.
11. Electronics
1. At 0 K conduction band is completely
____.
2. At 0 K valence band is completely ____.
3. Rubber is an ____.
4. The energy gap is highest in the case of
____.
5. When temperature of a semi-conductor is
raised its energy gap ____.
6. The gap between conduction band and
valence band is known as ____.
7. The energy gap of a conductor is ____.
8. The energy gap of pure silicon at room
temperature is ____.
9. The energy gap of pure germanium at
room temperature is ____.
10. At 0 K semi-conductor behaves as an
____.
11. The conductance of a semi conductor
____ with the increase in temperature.
12. The absence of an electron in the valence
band of a semi conductor is called ____.
13. Pure semi-conductors are called ____
semi conductors.
14. The process of introducing impurities in
small quantities into a material is called
____.
15. Trivalent impurities are also called ____.
16. If a small quantity of acceptor impurity is
added to the pure semiconductor then ___
type semi-conductor is formed.
10th Class Bit Bank Special-Physical Science
27. The disintegration of an unstable nucleus
resulting in another nucleus is called ____.
28. When α particle is emitted the atomic
number of the original nucleus is reduced
by 2 and its mass number by ____.
29. When β particle is emitted the atomic
umber of the original nucleus is increased
by ____.
30. The stable end product of all radioactive
series is ____.
31. The inert gas formed in all radioactive
series is ____.
32. Atoms of same element having same
atomic number but different mass number
are called ____ of that element.
33. Atoms of different elements having same
mass number but different atomic numbers are called____.
34. ____ are the atoms with their nuclei having same number of neutrons but different
number of protons.
35. The electro-magnetic radiations in the
radioactive disintegration are ____.
36. The particle whose mass is equal to electron and positively charged is called as
____.
37. A nuclear process in which a stable element is converted into another element,
which is radioactive in nature, is called
____.
38. ____ is used to kill cancer cells.
39. The functioning of thyroid gland can be
tested by ____.
40. The process of determining the age of fossils by using artificial radioactivity is
known as ____.
41. Nuclear fission is discovered by ____.
42. A ____ is a series of nuclear fissions
whereby the neutrons produced in each
fission cause additional fissions.
43. Nuclear reactor works on the principle of
____.
44. The neutrons with energies of about 0.04
ev are called ____.
45. The material that slows down the neutrons
in a nuclear reactor is called a ____.
46. The moderator used in nuclear reactor is
____.
47. The controlling rods in a nuclear reactor
are ____.
ANSWERS
1. 2.4×10−15mts; 2. 1/1000; 3. Nucleus; 4.
Neutral; 5. Chadwik(1937); 6. neutral; 7.
1836; 8. nucleons; 9. atomic number; 10.
atomic mass units (amu); 11. 1/12th; 12.
atomic mass number or mass number(A);
13. 1.0078 amu; 14. 1.0087 amu; 15. E =
∆ mc2; 16. stability; 17. 931.5×106 ev.
(or) 931.5 Mev; 18. energy; 19. A.H.
Becqueral (1896); 20. α - rays.; 21. β rays.; 22. very high; 23. small; 24. electrons; 25. very less; 26. very high; 27.
radioactive transformation; 28. 4 units;
29. 1 unit.; 30. lead (Pb); 31. radan;
32. isotopes; 33. isobars; 34. isotones;
35. γ rays; 36. positron; 37. artificial or
induced radioactivity; 38. radio cobalt;
39. radio iodine; 40. radioactive dating;
41. Otto Hahn; 42. a chain reaction;
43. controlled chain reaction;
44. thermal neutrons; 45. moderator;
46. heavy water; 47. Boron or Graphite;
48. nuclear fusion; 49. Sun and Stars;
50. uncontrolled fusion; 51. Uranium or
Lead; 52. Carbon; 53. Carbon dating.
17. In a p type semiconductor the majority
carriers are ____.
18. In a p-type semi conductor, the minority
carriers are ____.
19. Example of trivalent impurity ____.
20. Pentavalent impurities are called ____.
21. If a small quantity of donor impurity is
added to the pure semi-conductor then
____ type semi conductor is formed.
22. In an n type semiconductor the majority
carriers are ____.
23. In an n-type semi conductor, the minority
carriers are ____.
24. In a semiconductor the charge carriers are
____ and ____.
25. The p-n junction consisting of p type and
n type semiconductors provided with two
terminals is called a ____.
26. Symbol of a junction diode is ____.
27. A diode offers ____ resistance in forward
bias condition.
28. A diode offers ____ resistance in reverse
bias condition.
29. Under ____ bias condition a diode conducts.
30. Diode is used as ____.
31. A device which consist two p-n junctions
is called ____.
32. The three terminals of a transistor are
____.
33. The arrow mark in the symbol of transistor indicates ____.
34. The device which converts AC into DC is
____.
35. Transistor acts as ____.
36. In radio communication the range of carrier frequency is ____.
37. In T.V. transmission, the range of carrier
frequency is ____.
38. The process of fixing message of radio
ANSWERS
1. empty; 2. saturated; 3. insulator; 4. insulator; 5. decreases; 6. energy gap or forbidden gap; 7. 1 ev.; 8. 1.1 ev.; 9. 0.72 ev.; 10.
insulator; 11. increases; 12. hole; 13. intrinsic; 14. doping; 15. Acceptor Imputiries;
16. P; 17. holes; 18. electrons; 19. Ga, I, Al,
B.; 20. donar impurities; 21. n; 22. electrons; 23. holes; 24. electrons, holes;
25. p-n Junction diode;26.
; 27. less;
28. high; 29. forward; 30. rectifier; 31.
Junction transistor; 32. emitter, base and
collector; 33. emitter; 34. rectifier; 35.
amplifier; 36. 300KHz to 30 MHz;
37. 30 MHz to 300 MHz;
Paper - I
Physics
48. A nuclear reaction, in which lighter nuclei
are combined together to form heavier
product nuclei with the release of enormous amount of energy, is called ____.
49. Thermo nuclear reactions take place in___
50. The hydrogen bomb utilizes___reactions.
51. The age of rocks is determined by using
____.
52. The age of fossils is determined by using
____ isotope.
53. The process of determining the age of fossils using Carbon is known as ____.
IMPORTANT QUESTIONS
1 Mark
1. What is the difference between Atomic
number and Atomic mass?
2. Define mass defect?
3. What is binding energy?
4. What are the Isobars? Give examples?
5. What are Isotopes? Give examples?
6. What are Isotones? Give examples?
7. State law of radioactive disintegration?
8. Define mass energy equivalence?
2 Marks
1. What is the role of moderator in a Nuclear
reactor?
2. What are the uses of Radio isotopes in the
field of medicine?
3. What is artificial transmutation? Give an
example?
4 Marks
1. Compare the properties of α, β and γ radiations?
2. What is the principle of Nuclear Reactor?
How is the chain reaction controlled in a
nuclear reactor?
5 Marks
1. Draw a neat labeled diagram of Nuclear
Reactor?
frequency(r.f.) carrier waves is called ___.
39. The process of extracting information
from the modulated r.f. carrier waves is
called ____.
40. ____ is a process of dividing an image on
the screen into a large number of very
small squares formed by sets of horizontal
and vertical straight lines.
41. The camera consisting of a cathode ray
beam and a photo cell is called ____.
42. At homes the r.f. modulated carrier wave
is received by ____.
43. T.V. set is also known as ____.
44. The ____ circuit separates images from
the r.f. carrier wave.
38. modulation; 39. demodulation; 40.
scanning; 41. iconoscope; 42. receiver;
43. kinescope; 44. local oscillator;
45. integrated circuits (IC); 46. microprocessor; 47. keyboard or mouse; 48.
conctrol unit; 49. arithmetic logical unit;
50. printer or monitor.; 51. central processing unit; 52. memory, CU, ALU; 53. Bit;
54. byte; 55. word; 56. zone bits; 57.
numeric bits; 58. programme; 59. machine
language; 60. hardware; 61. machine language; 62. compiler; 63. software; 64.
hardware; 65. 8.; 66. BASIC, COBOL,
FORTRAN, C, C++, JAVA, etc.
Paper - I Physics/
Chemistry
10th Class Bit Bank Special-Physical Science Ýë„ìS
45. The combination of diodes and transistors
is called ____.
46. A group of ICs is called ____.
47. Input devices are ____.
48. C.U. stands for ____.
49. ALU stands for ____.
50. Output devices are ____.
51. CPU stands for ____.
52. The main components of CPU are ____.
53. The binary digit of 1 or 0 is called a ____.
54. A group of 8 bits is called a ____.
55. One or more than one bytes form ____.
56. First 4 bits of a BCD are called ____.
57. Last 4 bits of a BCD are called ____.
58. Set of instructions is called a ____.
59. The language used by a computer is called
____.
60. Machine language is dependent of ____.
61. Assembler is a ____.
62. ____ converts high level language into
machine language.
63. Set of programmes is called ____.
64. High level languages are independent of
____.
65. Number of bits in a BCD code is ____.
66. Example of a high level language is ____.
1 Mark
1. Define Hole?
2 Marks
1. Draw the symbols of p-n-p and n-p-n transistors?
2. What are the differences between machine
language and high level language?
3. What are the hardware and software in a
computer?
4. What are the important uses of computer
in daily life?
1. Atomic Structure
31. Number of sub-stationary orbits in M orbit
are____.
32. Principle quantum number was proposed
by ____.
33. The quantum number which gives the size
and energy of an orbit is ____.
34. The number of sub-stationary orbits in a
stationary orbit is ____.
35. Azimuthal quantum number was proposed
by ____.
36. For a given value of n, the maximum
value of l is ____.
37. The shape of sub-stationary shell can be
determined by using ____.
38. When l = 0, the shape of the orbit is ____.
39. Magnetic quantum number was proposed
by ____.
40. 'm' value depends on ____.
41. For a given 'l' value, 'm' can have ____
values.
42. The boundaries of 'm' values for a given 'l'
value are ____.
43. Orbitals having the same energy are called
____.
44. The orientation of orbitals in the presence
of magnetic field can be determined by
____.
45. The shell having least energy is ____.
46. Sub-shells present in L- shell are ____.
47. Maximum value of l when n=5 is____.
48. f- orbital is present in ____ shell.
49. The Number of sub shells present in L
shell is ____.
50. Spin quantum number was proposed by
____.
51. Spin of electrons takes the values as ____.
52. The Number of electrons present in a sub
shell is ____.
53. The region in space where there is finite
probability of finding electron is called __.
54. Shape of s- orbital is ____.
55. The n+l value of 3s orbital is ____.
56. The region in space where the probability
of finding electron is zero is called ____.
57. Shape of p-orbital is ____.
58. 'd'-orbital will start from ____.
59. The number of d- orbitals present in n = 3
is ____.
60. The orbital with least energy is ____.
61. Among 3s, 3p the orbital having least
energy is ____.
62. A systematic representation of the occupation of electrons in the orbitals is known as
____.
63. According to ____ principle electron
occupies the orbital having lowest energy.
64. According to Aufbau principle, in terms of
quantum numbers, the incoming electron
occupies an orbital whose ____ value is
minimum.
65. The 'l' value of s-orbital is ____.
66. The 'l' value of p-orbital is ____.
67. The 'l' value of f-orbital is ____.
68. ____ rule states that electron pairing takes
place only after all the available degenerate orbitals are occupied by one electron
each.
69. ____ principle states that no two electrons
will have all four quantum numbers same.
70. Electronic configuration of Cr (z=24)
is____.
71. The distance between nucleus and valency
ANSWERS
1. nucleons; 2. positive, negative, no
charge; 3. J.J. Thomson; 4. J.J. Thomson;
5. nucleus; 6. atomic spectra; 7. α-ray
scattering; 8. planetary model or nuclear
model; 9. centripetal, centrifugal; 10.
Max Planck; 11. quanta; 12. E = hν; 13.
Planck's constant; 14. 6.625 ×10−27 erg.
sec or 6.625 × 10−34 Joule. Sec;
15. Planck's quantum theory; 16. stationary orbits; 17. less; 18. higher, lower;
19. mvr = nh /2π; 20. principal quantum
number; 21. zeeman effect; 22. single
electron; 23. Sommerfeld; 24. mvr =kh/
2π; 25. Louis De Broglie; 26. quantization of angular momemtum; 27. Erwin
Schrodinger; 28. atomic orbitals;
29. Principle quantum number; 30. atomic orbitals; 31. 3; 32. Neils Bohr; 33. prin-
ciple quantum number; 34. n2;
35. Sommerfeld; 36. n−1;
37. l; 38. circular; 39. Lande; 40. 'l';
41. (2l + 1); 42. −l to + l; 43. degenerate
orbitals; 44. magnetic quantum number;
45. k; 46. 's' and 'p'; 47. 4; 48. n; 49. 2;
50. Uhlenbeck and Goldsmith; 51. +½ or
−½; 52. 2; 53. orbital; 54. spherical;
55. 3+0 = 3; 56. nodal region; 57. dumbell; 58. m-shell; 59. 5; 60. 1s; 61. 3s;
62. electronic configuration; 63. Aufbau;
64. n+l; 65. 0; 66. 1; 67. 3; 68. Hund's;
69. Pauli's exclusion; 70. 1s22s2 2p6 3s2
3p6 4s1 3d5(or) [Ar]4s1 3d5; 71. atomic
radius or atomic size; 72. Ao; 73. principle quantum number; 74. ionization energy; 75. e.v. or K. cal /mole or
K.Joule/mole; 76. electron affinity;
77. e.v; 78. 3p; 79. 4p; 80. 4s13d10.
1. The proton and neutron together called as
____.
2. Charge on proton is ____, electron is ____
and neutron is ____.
3. Electron was discovered by ____.
4. First model of atom was proposed by
____.
5. According to Thomson, electrons are present in ____.
6. Thomson's model of atom failed to
explain ____.
7. Rutherford proposed the model of atom
based on his ____ experiment.
8. Rutherford's model of atom is also known
as ____.
9. According to Rutherford, the two forces
acting on the electrons are ____ and ____
forces.
10. Quantum theory of radiation was proposed by ____.
11. According to Quantum theory electromagnetic radiation is in the form of packets
called ____.
12. Quantum principle is ____.
13. In the formula E = hν 'h' is ____.
14. Value of Planck's constant is ____.
15. Neil Bohr proposed a model of atom based
on ____.
16. According to Bohr's model, electrons
revolve in ____.
17. The energy of a stationary orbit which is
near to the nucleus is ____.
18. Electron jumps from ____ energy level to
____ energy level.
19. Angular momentum of electron is equal to
____.
20. In the formula mvr = nh /2π 'n' is known
as ____.
21. Splitting of spectral lines in the presence
of magnetic field is known as ____.
22. Bohr's model is applicable only for the
atoms of ____.
23. Elliptical orbits are introduced by ____.
24. The angular momentum of an electron
revolving in elliptical orbit is ____.
25. Dual nature of electron was explained by
____.
26. De Broglie explained ____ based on the
dual nature of electron.
27. Wave equation of electron was proposed
by ____.
28. Derivations of wave equation lead to ___.
29. Stationary orbits are denoted by ____.
30. Sub-stationary orbits are also known as
____.
IMPORTANT QUESTIONS
2.
3.
4.
5.
6.
What is a Byte?
What is doping?
What is modulation?
What is a programme?
Expand CPU?
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
7
5. Define intrinsic and extrinsic semi-conductors?
4 Marks
1. Explain the formation of p-type and n-type
semi conductors?
2. What are properties and uses of junction
Diode?
3. What are the properties and uses of junction transistor?
4. Explain the important steps involved in
Radio broadcasting?
5. Explain the important steps involved in
T.V. broadcasting?
6. Draw the block diagram of Computer and
explain the various components in it?
orbital is known as ____.
72. Units of atomic radius ____.
73. Atomic radius depends on ____.
74. The minimum energy required to remove
an electron from the outer most orbital of
an atom in gaseous state is known as ____.
75. Units of Ionization Energy are ____.
76. The energy released when an electron is
added to a neutral gaseous atom in its lowest nergy state is known as ____.
77. Electron affinity is measured in ____.
78. Among 3p, 4s, 3d and 4p the orbital having least energy is ____.
79. After filling the 3d orbital electron enters
into ____ orbital.
80. Valence electronic configuration of Cu is
____.
IMPORTANT QUESTIONS
1 Mark
1. Write the Planck's equation?
2. What is Zeeman effect?
3. What is a stationary orbit?
4. What is a nodal plane?
5. Why does an electron enter into 4s but not
into 3d after filling up of 3p orbital?
6. State Aufbau principle?
7. State Pauli's exclusion principle?
8. What are degenerate orbitals?
9. Define atomic radius?
2 Marks
1. Define Electron affinity and Ionization
energy?
2. Write the electronic configurations of Cu,
and Zn?
3. Draw the boundary diagrams of 's' and 'p'
orbitals?
4. Write a short note on Principle quantum
number?
4 Marks
1. What are the important features of
Rutherford's planetary model? Mention its
defects?
2. State the postulates of Bohr's model of
atom? What are its defects?
3. Define ionization energy? What are the
factors influencing it?
4. State and explain Aufbau principle with an
example?
5. State and explain with one example the
Hund's rule of maximum multiplicity?
6. Explain the features of modern atomic
structure?
5 Marks
1. Draw the boundary surface diagrams of 'd'
orbitals?
8
Ýë„ìS ¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
2. Chemical Bonding
1. Complete transfer of one or more electrons from one atom to another result in
the formation of ____ bond.
2. Sharing of two electrons between two
atoms causes ____ bond.
3. The filling up of valence orbital with 8
electrons is referred to as ____.
4. The distance between two atoms after
bond formation is called as ____.
5. After bond formation the energy of molecule is ____ than the combined energies of
the individual atoms present in the molecule.
6. ____ takes place by the atoms either by
losing or sharing electrons to achieve inert
gas configuration.
7. The ____ decides the strength of the
chemical bond.
8. The covalent bonds in ____ are much
stronger than methane.
9. The atom formed by s-s overlapping is
____.
10. The atoms formed by p-p overlapping are
____ etc.
3. Classification of Elements
1. The first classification of elements is
attempted by ____.
2. Example for Dobereiner triad ____.
3. Dmitri Mendeleev's periodic table is based
on the ____.
4. Mendeleef's periodic law states that the
properties of the elements are periodic
functions of the ____.
5. Gallium was named by ____.
6. Scandium was discovered by ____.
7. Modern periodic table is based on ____.
8. In the periodic table horizontal rows are
called ____.
9. In the periodic table vertical columns are
called ____.
10. In the long form periodic table there are
_____ periods and ____ groups.
11. The number of elements in the first period
is ____.
12. The number of elements in the second
period is ____.
13. The number of elements in the third period is ____.
14. The number of elements in the fourth and
fifth periods is ____.
15. The number of elements in the sixth period is ____.
4. Alkaline Earth Metals
1. Group II A elements are known as ____.
2. Beryl [Be3 Al2 (SiO3)6] is the ore of ____.
3. No. of water molecules in Epsum salt are
____.
4. Chemical formula for Epsum salt is ____.
5. Barite (BaSO4) is the ore of ____.
6. The metals present in Dolomite
(MgCO3CaCO3) are ____.
7. Atomic size from Be to Ra ____.
8. From Be to Ra the Ionization Energy
____.
9. From Be to Ra the Electro Negativity
____.
10th Class Bit Bank Special-Physical Science
11. The atoms formed by s-p overlapping are
____ etc.
12. The bond formed by end on overlapping is
____.
13. The strongest bond is ____ bond.
14. ____ bond can exist independently.
15. Examples for Sigma bond.(σ) are ____etc.
16. The bond formed by side on overlap is
____.
17. Pie bond (σ) is present only along with a
____.
18. Example for Pie bond (π) is ____ etc.
19. Single bonded atom consists of only ____.
20. Double bond consists of one ____ bond
and one ____.
21. Example for double bonded atoms___etc.
22. Triple bond consists of one ____ bond and
two ____.
23. Example for triple bonded atoms ____ etc.
24. The bond formed by contribution of electron pair is called as ____ bond.
25. Example for coordinate covalent bond is
____.
26. In NH3BF3, electron donor is ____ and
electron acceptor is ____.
27. All diatomic molecules are ____.
28. After bond formation the Oxygen atom is
left with ____ lone pairs of electrons in
water molecule.
29. The shape of water molecule is ____.
30. The shape of Ammonia (NH3) atom is
____.
16. ____ period is incomplete.
17. Elements from atomic number 57 to 70 are
known as ____.
18. Elements from atomic number 89 to 102
are known as ____.
19. Valence electronic configuration of inert
gas is ____.
20. Every period in the periodic table ends
with ____.
21. The elements with electronic configuration ns1 and ns2 are known as ____ ele-
ments.
22. The valence electronic configuration of pblock elements is from ____.
23. The distance between the centre of the
nucleus and the outer most orbital is
defined as ____.
24. The minimum energy required to remove an
electron from the outer most orbital of an atom
in the gaseous state is defined as ____.
25. The tendency of bonded atom to attract the
electron is defined as ____.
26. Electro negativity is measured in ____
scale.
27. The ability to lose electron and become
positively charged ions is defined as ____.
28. Addition of Oxygen or removal of Hydrogen from a compound is defined as ____.
29. Addition of Hydrogen to give compound
or removal of Oxygen from a compound is
defined as ____.
ANSWERS
1. ionic; 2. covalent; 3. octet configuration; 4. bond length; 5. less; 6. Bond formation; 7. extent of overlap; 8. diamond; 9. Hydrogen (H2); 10. F2, Cl2, Br2,
O2; 11. HCl, HBr, HI, H2S; 12. Sigma
bond(σ); 13. Sigma (σ); 14. Sigma (σ);
15. H2, HCl, Cl2, BF3, BeF2; 16. Pie
bond (π); 17. sigma bond (σ); 18.
Ethylene (C2H4), CO2, O2, N2; 19. Sigma
(σ) bond; 20. Sigma (σ), Pie bond (π);
21. O2, CO2, C2H4; 22. Sigma (σ), Pie
bonds (π); 23. C2H2, CaCl2, HCN; 24.
Coordinate covalent; 25. NH3BF3; 26.
NH3, BF3; 27. linear; 28. two; 29. Vshape; 30. Pyramidal; 31. one; 32.
Pyramidal; 33. Trigonal by pyramidal;
34. linear; 35. overlap of orbitals.
GRADATION OF ATOMIC PROPERTIES IN GROUPS AND PERIODS
Property of atom
Period(From left to right)
Group (From top to bottom)
Atomic radius
Decreases
Increases
Electro negativity
Increases
Decreases
Electro positivity
Decreases
Increases
Oxidation property
Increases
Decreases
Reduction property
Decreases
Increases
Ionization Energy
No proper tendency
Decreases
10. Alkaline Earth metals react with water and
gives ____.
11. Beryllium doesn't react with ____.
12. Alkaline Earth metals react with oxygen
and gives ____.
13. Beryllium doesn't react with oxygen
below ____ temperature.
14. The Alkaline earth metal which gives peroxides in addition to oxide when burnt in
excess of air is ____.
15. The oxides of alkaline earth metals are
____ in nature.
16. All alkaline earth metals except Be, react
with H2 to form ____.
17. The reagent used to prepare BeH2 from
BeCl2 is ____.
18. All alkaline earth metals react with chlorine to form ____.
19. All alkaline earth halides are ____ except
Be.
20. BeCl2 is ____.
21. The alkaline earth chloride which absorbs
moisture and fumes in air is ____.
22. Alkaline earth metals are extracted by
____.
23. While extracting Mg from MgCl2 ____
are added.
24. Addition of KCl and NaCl during electrolytic extraction of Mg will lower the
____ and increases the ____.
Paper - I
Chemistry
31. In Ammonia atom, after bond formation
Nitrogen has ____ lone pair of electrons.
32. The shape of PCl3 is ____.
33. The shape of PCl5 is ____.
34. The shape of CO2 is ____.
35. Strong bond is formed by the maximum
____.
IMPORTANT QUESTIONS
1 Mark
1. Write the names of two atoms having
pyramidal shape?
2. Draw the shape of Ammonia (NH3)?
3. Draw the shape of Water molecule (H2O)?
2 Marks
1. Mention the differences between σ and π
bonds?
2. What is the shape of PCl5? Draw it?
4 Marks
1. Discuss the types of overlaps that are possible with s and p orbitals?
2. Explain the formation of double bond?
3. Explain the formation of Triple bond?
4. Explain the formation of Coordinate covalent bond?
ANSWERS
1. Debereiner; 2. Li, Na, K; 3. atomic
weight; 4. atomic weights; 5. De
Boisbaudran; 6. Nilson; 7. Atomic number; 8. Periods; 9. Groups ; 10. 7, 16; 11.
2; 12. 8; 13. 8; 14. 18, 18; 15. 32; 16. 7th;
17. lanthanoides; 18. Actinoides; 19.
ns2np6; 20. Inert gas; 21. s-block; 22.
ns2np1 to ns2np5; 23. Atomic radius; 24.
Ionization Energy; 25. Electro negativity; 26. Linus Pauling Electro negativity;
27. Electro positivity; 28. Oxidation;
29. reduction
IMPORTANT QUESTIONS
1 Mark
1. State Mendeleev's periodic law?
2. Define Oxidation?
3. State modern periodic law?
4 Marks
1. How does the following properties vary in
a period and a group?
a) Atomic radius
b) Oxidation c) Reduction
d) Electro negativity
e) Electro positivity and
f) Ionization energy?
2. What is Modern periodic law? Explain its
main features?
25. The cathode in the electrolysis of MgCl2
is ____.
26. The Anode in the electrolysis of MgCl2 is
____.
27. During electrolytic extraction of Mg ____
gas is liberated.
28. During electrolytic extraction of Mg ____
gas is passed over floating Mg, to prevent
oxidation.
29. Group II A elements are very reactive and
hence do not occur in ____ state.
30. The alkaline earth metal used in the fire
crackers is ____.
31. ____ Point of alkaline earth metals do not
follow regular trend.
Paper - I
Chemistry
10th Class Bit Bank Special-Physical Science Ýë„ìS
ANSWERS
1. Alkaline Earth Metals; 2. Beryllium; 3.
7; 4. MgSO47H2O; 5. Barium; 6. Magnesium and Calcium; 7.Increases; 8.Decreases;
9. Decreases; 10.H2 gas.; 11. Water; 12.
Oxides; 13. 600oC; 14. Barium.; 15. Basic;
16. Hydrides; 17. LiAlH4.; 18. Chlorides;
19.Ionic; 20.Covalent; 21.BeCl2.; 22. Electrolysis; 23.KCl and NaCl; 24.Melting Point, Conductivity; 25. Iron Pot; 26. Graphite
Rod; 27. Chlorine; 28. Coal; 29. Elemental;
30. Mg; 31. Melting Point and Boiling
5. Solutions
solution is called ____.
16. W% = ____.
17. The volume of solute present in 100ml of
solution is called ____.
18. The number of moles of a solute present in
one liter of solution is defined as ____.
19. Molarity (M) = ____.
20. The molarity of a solution depends on __.
21. The units of molarity are ____.
22. The ratio of number of moles of a constituent to the total no. of moles of all constituents present in the solution is called____.
23. Sum of the mole fractions of all constitue-
1. In a solution, the component which is taken in relatively less quantity is called ___.
2. In a solution, the component which is taken
in relatively large quantity is called ____.
3. If the solvent used is water, the resultant
solution is called ____ solution.
4. The maximum amount of solute by weight
in grams dissolved in 100 g of solvent at
constant temperature is defined as ____.
5. Solubility depends on ____ and ____.
6. The common name of sodium thiosulphate
is ____.
7. The chemical name of Hypo is ____.
8. Naphthalene is soluble in ____.
9. Polar solutes dissolve in ____ solutions.
10. On increasing the temperature, the solubility of NaCl remains ____.
11. On increasing the temperature, the solubility of NaNO3 (Sodium Nitrate) ____.
12. On increasing the temperature, the solubility of Ce2(SO4)3 (Cerous Sulphate) ____.
13. The solution of CO2 in water is called ____.
14. The amount of solute present in a solution
is known as ____.
15. The weight of solute present in 100g of
6. Acids, Bases and Salts
1. When non metallic oxides are dissolved in
water, ____ are formed.
2. When metallic oxides are dissolved in
water, ____ are formed.
3. Blue litmus changes into red colour in the
presence of ____.
4. Acid changes the colour of the methyl
orange indicator into ____.
5. Acids react with bases to form ____.
6. Red litmus changes into blue colour in the
presence of ____.
7. Base changes the colour of the methyl
orange indicator into ____.
8. According to Arrhenius theory, acids are
the substances which produce ____ ions in
aqueous solution.
9. According to Arrhenius theory, bases are
the substances which produce ____ ions in
aqueous solution.
ANSWERS
1. Solute; 2. Solvent; 3. Aqueous; 4.
Solubility; 5. The Naure of Solute and
Solvent, Temperature; 6. Hypo; 7. Sodium
Thiosulphate(Na2S2O3); 8. Ker-osene; 9.
Polar; 10. Same; 11. Increases; 12.
Decreases; 13. Soda; 14. Concentrat-ion;
15. Weight Percentage; 16. (Weight of
solute / Weight of solution) × 100; 17.
Volume Percentage; 18. Molarity(M) ;
number of moles of solute (n)
19.
(or)
Volume of solution in litres(v)
10. Arrhenius theory is applicable only for the
substances which are soluble in ____only.
11. At 250C, the concentration of H+ ions is
____ to the concentration of OH− ions.
12. The ionization of water is ____ dependent.
13. Increase in the temperature ____the extent
of ionization.
14. The product of concentrations of H+ ions
and OH− ions in one mole of water is
defined as the ____ .
15. Ionic product of water Kw =____.
16. At 250C, Kw = ____ .
17. The term pH is introduced by ____.
18. The negative logarithm of H+ ion concentration is defined as the ____.
19. pH =____
20. If pH < 7, then the solution is____.
21. If pH > 7, then the solution is ____.
22. If pH = 7, then the solution is ____.
23. The pH of 0.001M HCl solution is ____.
24. The concentration of H+ ions in a solution
PLANNED STUDY IS THE
FIRST STEP FOR SUCCESS
Physical Sciences subject has
a lot of syllabus, and is allotted only 50 marks. For this,
you need perfect planning for
preparation.
Tips to get 30 to 35 Marks:
After analyzing the previous
papers, the following chapters have been found to be
IMPORTANT QUESTIONS
1 Mark
1. Why do we add KCl and NaCl to MgCl2
during Mg extraction?
4 Marks
1. Write the reactions of alkaline earth metals with
nts present in the solution is equal to ____.
24. Gram molecular weight of Na2CO3 is ___.
25. Gram molecular weight of NaOH is ____.
26. The process of a molecule giving rise to
ions is called ____.
27. Solutions which ionize completely
(100%) are known as ____.
28. Solutions which ionize incompletely
(<100%) are known as ____.
29. Solutions which do not ionize are_____.
30. For weak electrolytes ____ increases the
extent of ionization.
31. Increase in temperature ____ the extent of
weight of the solute
1
;
×
gram molecular weight v (in liters)
of thesolute
20. Temperature; 21. Mole/litre; 22. Mole
Fraction; 23. One; 24. 106; 25. 40;
26. Ionization; 27. Strong Electrolytes; 28.
Weak Electyrolytes; 29. Non-Electrolytes;
30. Dilution; 31. Increases; 32. Decreases;
33. Standard Solution; 34. Standard Flask;
35. C10H8.
25.
26.
27.
28.
29.
whose pH =8 is ____.
The Kw is ____dependent.
An example for strong acid is ____.
An example for weak acid is ____.
An example for strong base is ____.
An example for weak base is ____.
ANSWERS
1. Acids; 2. Bases; 3. Acid; 4. Red; 5.
Salt and water; 6. Base; 7. Yellow; 8. H+;
9. OH−; 10.Water; 11.Equal; 12. Temperature; 13. Increases; 14. Ionic product of
water; 15. [H+] × [OH−]; 16. 1.0×10−14
mol.ion2/lit2; 17. Sorensen; 18. pH;
19. −log [H+]; 20. Acid; 21. Base.; 22.
Neutral; 23. 3; 24.10−8; 25. Temperature;
26. HCl; 27. CH3COOH; 28. NaOH; 29.
NH4OH; 30. Heat of neutralization; 31.
13.7 K. Cal/mole; 32. 13.7 K. cal/mole;
33. blood; 34. 0 to 7; 35. 7 to 14.
most important. They are:
Physics: Light, Magnetism,
Current Electricity, Modern
Physics, Electronics,
Chemistry: Atomic Structure,
Chemical Bond, Classification
of elements, Carbohydrates
and Proteins, Chemistry and
industry.
In addition to the above
chapters diagrams of Screw
Gauge, Magnetic lines of
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
9
a) Oxygen
b) Hydrogen
c) Water and d) Chlorine?
2. Describe a method of extraction of Mg
from its ore?
5 Marks
1. Draw a neat diagram showing the extraction of Magnesium from its ore?
ionization.
32. On increasing temperature the solubility
of gases ____.
33. The solution whose concentration is
known is called ____.
34. Standard solution is prepared in ____.
35. Formula of Naphthalene ____.
IMPORTANT QUESTIONS
1 Mark
1. Define Solubility?
2. Define Concentration?
3. Define molarity?
2 Marks
1. 2 moles of Sodium Carbonate is dissolved
in 3 moles of water. Calculate the mole
fractions of water and Sodium Carbonate?
2. 20 ml of Alcohol is dissolved in 160 ml of
water. What is the volume percentage of
the solution?
3. Calculate the amount of Oxalic Acid present in 500ml of 0.2M solution?
4 Marks
1. Define Molarity? 2.12 gms of Na2CO3 is
present in 250 ml of its aqueous solution.
Calculate the molarity of the solution?
(Molecular weight of Na2CO3 is 106)
30. The heat liberated when one mole of acid
reacts with one mole of base is____.
31. The heat evolved when a strong acid
reacts with a strong base is equal to ____.
32. NaOH + HCl→NaCl + H2O + ____.
33. The body fluid whose pH > 7 is ____.
34. The pH of acids is in the range of ____.
35. The pH of bases is in the range of ____.
IMPORTANT QUESTIONS
1 Mark
1. Define pH?
2. What is the ionic product of water? What
is its value at 25oC?
3. Define heat of neutralization?
4. Calculate the pH of 0.001M HCl?
4 Marks
1. State Arrhenius theory of Acids and
Bases? What are its limitations?
2. Define Strong acid, Strong base, Weak
acid, and Weak base and give examples?
force when the magnetic
North facing geographical
North, Magnetic lines of
force when the magnetic
North facing geographical
South, Nuclear reactor,
Shapes of s,p,d orbitals,
Extraction Mg from MgCl2,
Manufacturing of Sugar,
Alcohol, Cement, Factional
distillation on Petroleum
must be practiced.
Tips to achieve minimum 10
Marks in Part B:
Study all the bits which are
given at the end of each lesson.
Go through the last 5 years
papers.
Follow Sakshi Physical
Science bitbank.
By following the above steps
one can get 10 to 12 marks in
the objective paper.
10 Ýë„ìS
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
7. Chemistry of Carbon
Compounds
1. The occurrence of same element in two or
more different forms is known as ____.
2. Important allotropic forms of carbon are
____.
3. The density of Diamond is ____.
4. The refractive index of diamond is ____.
5. The allotropy of carbon used as lubricant
is ____.
6. The density of graphite is____.
7. Graphite contains carbon atoms in ____
rings.
8. In graphite the C−C bond length is ____.
9. In graphite the C−C bond angle is ____.
10. C60 contains ____ pentagonal rings and
____ hexagonal rings of carbon.
11. In C60 the average bond length is____
12. The poisonous gas mainly found in
exhaust fumes of industry and automobiles is ____.
13. CO2 dissolves in water and gives ____.
14. ____ is used as fire extinguisher.
15. Solid carbon dioxide is called ____.
8. Carbohydrates and Proteins
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17
18.
19.
Sweetest sugar is ____.
Example for polysaccerides is ____.
Polyhydroxy aldehydes are ____.
Polyhydroxyl ketones are ____.
Number of carbon atoms in Hectose are
____.
In Tollen's test, Glucose reduces ____.
Defacation is addition of ____.
Acidity in the sugar cane juice is removed
by adding____.
The sugar content of molasses is ____.
The main by-product in sugar industry is
____.
The chief use of ethyl alcohol is as ____.
____ is added to get absolute alcohol from
rectified spirit.
Consumption of denatured spirit causes
____.
Calorific value of Glucose is ____.
Plants prepare carbohydrates by the
process known as ____.
Number of monosaceride units in aligo
saccaride is ____.
The dirty grey precipitate formed during
the preparation of Tollen's reagent is ____.
The spent cane is called ____.
____ are used to separate the crystals of
sugar and liquid juices.
10th Class Bit Bank Special-Physical Science
16. The phenomenon in which atoms of same
element join together to form long chains
is known as ____.
17. Compounds having same molecular formula but different structures are called
____ and the phenomenon is called as
____.
18. The oldest coal is called ____.
19. Anthracite consist____carbon.
20. Bituminous coal consists of ____ carbon.
21. Lignite consists of ____ carbon.
22. Example of aromatic hydrocarbon is ____.
23. Saturated hydrocarbons are also known as
____.
24. General formula of alkanes is ____.
25. If one hydrogen is removed from alkane it
is called ____ group.
26. Alkanes undergo____ reactions.
27. Formula for chloroform is ____.
28. L.P.G consists of ____.
29. The unsaturated hydrocarbons having at
least one C = C are known as____.
30. The general formula of alkenes is ____.
31. Alkenes are also known as ____.
32. Alkenes undergo ____ reactions.
33. Ethylene in liquid state undergoes polymerization to give ____.
34. Ethylene mixed with air is used as ____.
35. The unsaturated hydrocarbons consisting
C = C are known as ____.
36. The general formula of alkynes is ____.
37. Common name of ethyne is ____.
38. ___ is used for artificial ripening of fruits.
39. The gas used in welding is ____.
40. The presence of alcoholic functional
group is tested by addition of
______metal.
41. The chemical name of Buckminister pullerin____.
42. −COOR is called____.
20. The sugar cane contains ____of sucrose
by weight.
21. ____is the micro organism used for fermentation of molasses.
22. Sucrose is broken down into ____ during
fermentation.
23. Sucrose is broken down into Glucose and
fructose during fermentation by the
enzyme ____.
24. ____ enzyme breaks Glucose.
25. The products obtained from glucose during fermentation are ____.
26. ____ is the by-product of alcohol industry.
27. ____ are building blocks of Proteins.
28. Number of essential amino acids are ____.
29. Polymeric compounds of amino acids are
____.
30. CO−NH bond is called ____.
31. ____ is the process of breaking down of
large molecules into small molecules by
the action of enzymes.
32. Starch can be tested by____.
33. 96% alcohol is commercially called ____.
34. ____ is added to denatured spirit.
35. The precipitates formed by defecation,
carbonation, and sulphitation is called
____.
36. The result of Tollen's test is ____.
37. In Benedict's test, glucose reduces ____.
38. The result of Benedict's test is ____.
39. ____ is used in the preparation of beer.
40. The bond between the Amino acids present in proteins is ____.
41. General formula of polysaccerides is____.
42. The amount of energy made available by
consumption of one gram of a substance is
known as its ____.
43. In sulphitation ____ is added to the juice.
TIPS TO GET FULL MARKS i.e,
50 OUT OF 50
Students those who intend to
score full marks must go through
the entire book irrespective of
important topics.
One should identify his/her weaknesses by analyzing the school
level examination performance.
Generally students will commit
mistakes in
Solving problems
Improper labeling for a diagram
Forgetting the units, constants,
Paper - I
Chemistry
IMPORTANT QUESTIONS
1 Mark
1. What is Allotropy? 2. Define catenation?
3. What is polymerization?
4. What is isomerism?
5. What are the uses of Acetylene?
2 Marks
1. Draw the structure of Benzene?
2. Write the substitution reactions of Alkanes?
3. Differentiate between Alkanes and
Alkenes?
4. Mention the uses of CO2?
4 Marks
1. Compare the structures of diamond and
graphite?
ANSWERS
1. allotropy; 2. Diamond and Graphite; 3. 3.51 gm/cc; 4. 2.41; 5. Graphite; 6. 2.25 gm/cc;
7. hexagonal rings; 8. 1.42 Ao; 9. 120o; 10. 12, 20; 11. 1.4 Ao; 12. CO; 13. Carbonic acid;
14. Carbon dioxide; 15. dry ice; 16. Catenation; 17. Isomers, Isomerism; 18. anthracite; 19.
95%; 20. 82%; 21. 70%; 22. Benzene; 23. paraffins; 24. CnH2n+2; 25. alkyl; 26. substitution;
27. CHCl3; 28. Butane (C4H10); 29. Alkenes; 30. CnH2n; 31. olefins; 32. addition; 33. polythene; 34. anaesthetic; 35. alkynes; 36. CnH2n − 2; 37. Acetylene; 38. Acetylene; 39.
Acetylene; 40. Sodium; 41. C60; 42. ester group.
ANSWERS
1. Fructose; 2. Starch and cellulose; 3.
Aldoses; 4. Ketoses; 5. 6; 6. Ag+ ion as Ag
metal; 7. Ca(OH)2; 8. Ca(OH)2; 9. 50%;
10. molasses; 11. solvent; 12. CaO; 13.
blindness; 14. 3.81 K.Cal/gm or 686 K.Cal
/mole; 15. Photosynthesis; 16. 2 to 9; 17
AgOH; 18. Bagasse; 19. Centrifuge machines; 20. 11 to 15%; 21. Yeast; 22. Glucose
and Fructose; 23. Invertase.; 24. Zymase;
25. Ethyl Alcohol and CO2; 26. CO2; 27.
Amino acids; 28. 9; 29. proteins; 30. Peptide bond; 31. Fermentation; 32. Iodine; 33.
rectified spirit; 34. Pyridine; 35. press
mud; 36. Silver mirror on the walls of test
tube; 37. Cu+ ion to Cu2O; 38. Formation
of red precipitate; 39. Barley; 40. peptide
bond; 41. [(C6H10O5)n]; 42. calorific
value; 43. SO2; 44. Clarified juice; 45.
zwitter ions.; 46. Peptide bond
formulae etc.
Command over the objective
paper
Improper presentation of
answers at the time of examination.
Tips to overcome weaknesses:
Generally the problems will come
from the Kinematics, Current
electricity, Solutions. Students
should solve the problems from
the above chapters, so that one
can overcome the weakness in
solving problems.
44. The purified sugarcane juice is called
____.
45. Amino acids consists salt like structures
called ____ ions.
46. CO−NH bond is called ____.
IMPORTANT QUESTIONS
1 Mark
1. Define calorific value?
2. What is defecation?
3. What is Sulphitation?
4. What is rectified spirit?
5. What is bagasse? How is it useful?
2 Marks
1. Explain the formation of peptide bond?
2. What are the functions of proteins?
4 Marks
1. How is Tollen's reagent prepared? How is
glucose tested with it?
2. How is Benedict's reagent prepared? How
is glucose tested with it?
3. Explain the various steps involved in manufacturing of sugar from sugar cane?
4. How is alcohol manufactured industrially?
5 Marks
1. Draw the diagram showing the parts of
sugar industry?
2. Draw a chart showing alcohol manufacture?
Try to practice the diagram while
studying the respective question.
All the formulae, Units, and constants from the text book must be
copied at one place and try to
revise them periodically.
Command over the Objective
Paper:
Better to follow group study technique, and attempt quiz conducted by your teacher or you can
conduct quiz on your own with
your friends.
Paper - I Chemistry/
10th Class Bit Bank Special-Physical Science Ýë„ìS
Quick Review
9. Oils and Fats
1. The chief sources of oils are ____.
2. The cation of soap useful for dry cleaning
is ____.
3. Shaving soap contains excess of ____.
4. The catalyst used in the hydrogenation of
oils is____.
5. The chemical formula of soap is ____.
6. The catalyst used in soap manufacturing is
____
7. ____ is completely removed in baby
soaps.
8. Transparent soap contains ____.
10. Chemistry and Industry
1. Cement was invented by ____.
2. The raw materials required for cement
manufacture are ____.
3. Gray hard balls of cement are called ____.
4. The temperature required in the manufacture of cement is ____.
5. ____ is added to powdered clinker
cement.
6. Glass may be considered as ____.
7. The composition of cement is____.
8. By chemical composition, glass is a mixture of ____.
9. Raw materials used for glass manufacture
are ____.
Important Formulae
1. Pitch of the Screw = Distance traveled by
the tip of the screw/ No. of rotations made
2. Least count of Screw gauge = Pitch of the
screw / No. of head scale divisions
3. Diameter of a wire using screw gauge (d)
= PSR + (HSR × LC)
4. Universal Gravitational constant
G = Fr2/m1m2
5. Relation between G and g is g = GM/r2
6. Weight of an object w = mg
7. Hook's law l−l0/F = Constant
8. Maximum height reached by a vertically
projected body hmax
U2
=
2g
9. Time of Ascent t1 = u/g
10. Time of descent t2 =
2h
g
11. Time of fleight T = 2u/g
12. Velocity of a freely falling body on reaching the ground V = 2gh
13. Relation between V and ω is V = r ω
14. Angular momentum L= mvr (or) L= m ω r2
15. Centripetal acceleration a =v2/r
9.
10.
11.
12.
13.
14.
15.
16.
17.
Deodorant soap contains ____.
The formula of stearic acid is ____.
Oils are triestors of ____.
____ improves preservation, taste and
odour of many oils.
Detergents are useful even in hard water
because ____.
The organic builder mixed in soap is ___.
The process of obtaining soap from oils or
fats by hydrolysis in the presence base is
known as ____.
The by product in the soap industry is
____.
Hydrolysis of oils gives ____.
10. The mixture of raw materials in the glass
manufacture is called____.
11. Broken glass pieces are called____.
12. Heat required for glass manufacturing is
____.
13. The mixture of impurities floating on the
liquid glass is called ____.
14. Slow cooling of glass is called ____.
15. Glass blowing is possible with ____ glass.
16. Optical instruments are made with ____.
17. The raw materials required for manufacture of ceramics are ____.
18. Simple pottery (Terra-cota) articles are
____.
19. Earthen ware is ____ pottery.
20. The polymeric organic substance is commonly known as ____.
21. ____is the main constituent in natural
fibers.
22. Cold creams are ____ of oil and water.
23. Chemical composition of talc is ____.
24. First synthetic dye was prepared by ____.
25. The ____ impart colour to the dye.
26. The function of oxochrome is ____.
27. A substance used in prevention, diagnosis,
treatment or cure of a disease is called __.
28. Examples of Hormones: ____.
29. Drugs given to the patient in ore or other
modified form are ____.
16. Centripetal force F =
mv 2
(or) mω2r
r
v2
−1
17. Angle of banking θ = Tan rg
18. Formula to find 'g' using simple pendulum
2 l
is g = 4π
T2
19. Distance between a node and next antinode is λ/4
20. Distance between two successive nodes or
two successive antinodes is λ/2
21. Velocity of sound in air from resonating
air column is V=2η (l2− l1).
22. Relation between v, n, λ is V = n λ
23. Laplace formula to find the velocity of
sound in air is V=
γP
ρ
24. Length of air column at first resonance
l1 = λ/4
25. Length of air column at second resonance
l2 = 3λ/4
26. Inverse square law of magnetism
µ0 m1m2
F=
4π r 2
27. Relative permeability µr = µ / µ0
28. Magnetic moment M = m × 2l
29. Relation between B and H is B = µ0 H
18. The salts of fatty acids are known as ____.
ANSWERS
1. animals and plants; 2. Tri ethanol
ammonium; 3. stearic acid; 4. Ni; 5.
C17H33COONa; 6. Zinc oxide; 7. Glycerol; 8. Glycerol; 9. 3, 4, 5, tribromo salicylanilide; 10. C17H35COOH; 11. Glycerol
and fatty acids; 12. Hydrogenation; 13.
they react with hard water but do not form
precipitate; 14. Salt (or) Sodium bicarbonate; 15. Saponification; 16. Glycerol; 17.
Fats; 18. Soaps; 19. K+ Salt.
30.
31.
32.
33.
34.
Petrol is a mixture of____.
Chemicals obtained from petrol are ____.
____ are natural nutrients.
Example of mixed fertilizer ____.
The fertilizers containing micro nutrients
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
11
19. Toilet soap contains ____.
IMPORTANT QUESTIONS
1 Mark
1. What is the hydrogenation of oils?
2. What is the use of hydrogenation of oils?
3. What is saponification?
4. What is a soap?
2 Marks
1. What are the industrial uses of oils?
4 Marks
1. How do you test the quality of soap?
are called ____.
35. Examples of micro nutrients____.
36. ____ is the plastic material used for films,
recording tapes etc.
IMPORTANT QUESTIONS
ANSWERS
1. J.Aspidin in 1824; 2. Lime stone, Clay;
3. clinker cement; 4. 1700 to 1900oC; 5.
Gypsum; 6. frozen liquid or super cooled
liquid; 7. calcium silicates, calcium aluminates; 8. Sodium silicates (Na2SiO3),
Calcium silicate (CaSiO3) and Sand
(4SiO2); 9. Soda ash (Na2CO3), Lime
stone (CaCO3), and Sand (4SiO2); 10.
Batch; 11. cullet; 12. 1000oC; 13. glass
gall; 14. Annealing; 15. Pyrex or
Borosilicate; 16. quartz glass; 17. clay,
felspar, and sand; 18. porous; 19. glazed;
20. resins; 21. Cellulose; 22. emulsions;
23. Magnesium silicate; 24. William Henry Perkin; 25. chromophor; 26. intensifies
the colour of the dye and attaches the colour to the dye; 27. drug; 28. Insulin, cortisone; 29. Pharmaceuticals; 30. Hydrocarbons; 31. Petrochemicals; 32. Carbon, H2,
and O2; 33. Nitrophosk; 34. micro fertilizers; 35. B, Cu, Mn, Zn, Fe; 36. Polyester.
1 Mark
1. What is the use of adding cullet to the raw
materials of glass?
2. What are primary nutrients?
3. What is the use of Micronutrients?
4. What is annealing?
5. What is cracking?
2 Marks
1. Draw the structures of Paracetamol and
Aspirin?
2. What are the characteristics of a good
quality of face powder?
3. Write a short note on earthenware?
4 Marks
1. What is a drug? What are the qualities of
an ideal drug?
2. What is a drug? How are they classified as
per therapeutic action?
3. Describe the manufacturing of cement?
5 Marks
1. Draw a neat diagram of fractionation of
petroleum and label its parts?
2. Sketch the cement manufacture plant?
30. Magnetic field induction at a point on
µ 2M
axial line is B = 0 3 N/A−m
4π d
31. Magnetic field induction at a point on
µ0 M
equatorial line B =
N/A−m
4π d 3
32. Susceptibility χ = I/H
33. Current i = q/t
34. Potential Difference V = W/q
35. Ohm's law i=V/R
36. Effective resistance of two or more resistors connected in series R = R1 + R2 +.....
37. The effective resistance of two resistors
45. Force on a current carrying conductor in a
magnetic field F = ilB
46. Faraday's law of electro magnetic induction ε = −N(dφB /dt)
−ε
47. Inductance of a coil L =
di dt
48. Transformer rule
v1 n1 i2
=
=
v2 n2 i1
connected in parallel R =
R1R2
R1 + R2
38. Specific resistance ρ = RA/l
39. Heat produced due to passage of current
through a conductor is Q = i2Rt/J
40. Electrical power P = Vi
41. Electrical energy W = i2Rt
42. Faraday's First law of electrolysis m = Zit
43. Faraday's Second Law of electrolysis
m1:m2:m3 = E1: E2: E3 = Z1 : Z2 : Z3
44. Magnetic induction at a point near a
straight current carrying conductor
µi
B= 0 .
2π r
49. Bohr's quantum condition I = nh/2πm
50. According to Planck Quantum theory of
radiation, E= hν
51. Mass energy equivalence E = ∆mc2
52. Binding energy B.E. = ∆m × 931.5 Mev
53. Actinium series 4n+3
54. Uranium series 4n+2
55. Neptunium series 4n+1
56. Thorium series 4n
57. Angular momentum mvr = nh/2π
58. Total number of orbitals present in a given
stationary orbit = n2
59. Total number of electrons in a given stationary orbit = 2n2
60. For a given l value, the number of 'm' values are (2l+1)
(continued in next page)
12 Ýë„ìS
¿¶æÑ™èl VýS$Æý‡$ÐéÆý‡… 28 íœ{ºÐ]lÇ, 2013
61. weight percentage
weight of solute
×100
weight of solution
Volume of solute
×100
solution
62. Volume percentage = Volume of
63. Molarity (M) =
weight of solute
1
×
gram molecular weight of solute v (in liters )
64. Molarity (M) = Number of moles of solute
/Volume of solution in litres
65. Mole fraction = Number of moles of a
constituent/ Total number of moles
66. PH = − log [H+]
67. Ionic Product of water KW = [H+] ×[OH−]
10th Class Bit Bank Special-Physical Science
68. Alkanes CnH2n+ 2 ; 69. Alkenes CnH2n
70. Alkynes CnH2n−2
FUNCTIONAL GROUPS
Functional
Name
Example
Group
−C − OH
Alcohol
CH3OH
−C− CHO
Aldehyde
CH3CHO
C=O
Ketone
CH3COCH3
− C − COOH Acid
CH3COOH
− C − O − C Ether
CH3OCH3
− C − NH2
Amine
C3H7NH2
− C − COOR Ester
CH3COOC2H5
SOME CONSTANTS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Alkanes
Methane CH4
Ethane C2H6
Propane C3H8
Butane C4H10
Pentane C5H12
Hexane C6H14
Alkenes
Ethene
Propene
Butene
Pentene
Hexene
Electro magnetic radiation Wave length range
Alkynes
C2H4
C3H6
C4H8
C5H10
C6H12
Ethyne C2H2
Propyne C3H4
Butyne C4H6
Pentyne C5H8
Hexyne C6H10
1. Visible spectrum
2. Infra red spectrum
3. Micro waves
4. Radio Waves.
5. U.V.Spectrum
6. X-rays
7. Gamma rays
0.4µm − 0.7µm
0.7µm − 100µm
10µm −10m
1 m−100 K.m.
0.4µm − 1 N.m
0.01Ao − 100Ao
0.001Ao − 1Ao
UNITS
S.No.
1
2
3
4
5
6
7
8.
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
QUANTITY
G
g
Mass (m)
Weight (w)
Velocity (v)
Acceleration (a)
Angular displacement (θ)
Angular velocity (ω)
Frequency
Solid angle
Luminous flux (ϕ)
Luminous intensity (I)
Magnetic pole strength (m)
Magnetic moment (M)
Magnetic induction (B)
Intensity of magnetic field (H)
Magnetic flux (ϕ)
Magnetic susceptibility (χ)
Permeability (µ)
Relative permeability (µr)
Intensity of magnetization (I)
Current (i)
Charge (q)
Potential Difference (V)
E.M.F (e)
Electrical Resistance (R)
Specific resistance (ρ)
Specific heat (s)
Electric power (p)
Mechanical equivalent of heat (J)
Electrical energy (W)
Electrochemical equivalent(z)
Self inductance (L )
Mutual inductance
Conductance
Atomic Mass Unit
Energy
Planck's constant
Ionization energy (e)
Atomic radius (or) atomic size
Electron Affinity
Electro negativity
Concentration of solution
Molarity
Mole fraction
Heat of Nuetralization
Ionic product of water (Kw)
Calorific value
UNIT
Nm2Kg−2
m/sec2
Kg (MKS), gm (CGS)
N(MKS), dyne (CGS)
m/sec
m/sec2
Radian
Radian/sec
Hertz
Steradian
Lumen
Candela (or) Lumen/Sr
Amp-meter (S.I), Weber (MKS)
Amp-meter2 (S.I)
N/Amp-meter (S.I), Tesla (or) Weber/m2 (MKS)
Amp/Meter
Weber
No units
Henry/meter
No units
Amp/meter
Ampere
Coulomb
Volt
Volt
Ohm (Ω)
Ohm-meter
Cal/gmoC
Volt-amp (or) watt
Joules/Calorie
Watt-sec (or) KWH
Gm/Coulomb
Henry
Henry
Mho/meter
Amu
eV
Erg.sec (or) Joule.sec
Ev (or) K.cal.Mole−1 (or) K.Joule.mole−1
Ao
Ev (or) K.cal.Mole−1 (or) K.Joule.mole−1
Pauling E.N.Scale
Mol/lit
Mol.lit−1
No units
K.Cal/mole
Mole. Ion2 lit−2
Cal/gm (or) cal/mole
Quick Review
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
Least Count of a Screw Gauge = 0.01mm
G = 6.67 × 10−11 Nm2Kg−2
g = 9.8m/sec2 (on earth)
Mass of the earth M = 6 × 1024 Kg
Radius fo the Earth r = 6.4 × 105 m
The distance between moon and the earth
3.85 × 105 Km
g value on Sun 27.4 m/sec2
g value on moon = 1.67m/sec2
Time period of a seconds pendulum=2 sec
Velocity of light in vacuum = 3×108
m/sec
Calorific value of Glucose =3.81 K.
Cal/Gram (or) 686 K. Cal/mole.
Wave length of Sodium vapour lamp =
5893 Ao
The band width of an ordinary laser is of
the order of 10 Ao
The band width of a high quality laser is
10−8 Ao
The wave length of Ruby laser is 6943 Ao
The wave length of He −Ne laser is
6328Ao
Permeability of free space or vacuum µ0
= 4π × 10−7 Henry/meter
1 Tesla = 104 Gauss
The value of B0 in AndhraPradesh is B0 =
0.39 × 10−4 Tesla
Magnetic moment of a bar magnet when
the neutral points lie on the equatorial
line
at a distance 'd' is M = 390d3
Magnetic moment of a bar magnet when
the neutral points lie on the axial line
at a distance 'd' is M = 195d3
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
Joule's constant J = 4.185 Joules
Mass of proton 1.0078 amu
Mass of neutron 1.0087 amu
Radius of Nucleus = 2.4 × 10−15 m.
1 amu = 931.5 × 106 ev = 931.5 Mev
1 Mev = 1.6 ×10−12 J
1 Kg = 9 × 1016 J
1 Joule = 1.11 × 10−17 Kg
Energy released in Nuclear fission = 200Mev
The value of Energy gap for Pure silicon
is 1.1ev
The value of Energy gap for pure germanium is 0.72ev
The frequencies used in Radio communication are 300KHz to 30 MHz
The frequencies used in TV communication are 30MHz to 300 MHz
Planck's constant h = 6.625 × 10−27 erg
sec or 6.625 × 10−34 Joule .sec
Mass of electron me = 9.16 × 10−31Kg
Charge of electron (e−) = 1.602 × 10−19
Coulomb
e/m of electron = 1.76 × 1011 C/Kg
If pH < 7, Acid; 40. If p H > 7, Base
If pH = 7, Neutral
Ionic product of water at 25oC KW = 1.0
×10−14 mole. Ion2/liter2
Density of diamond = 3.51 gm/cc
Refractive index of diamond = 2.41
C − C Bond length in diamond = 1.54 Ao
Bond angle in diamond = 109o28'
Density of graphite = 2.25gm/cc
C− C Bond length in graphite = 1.42 Ao
Bond angle in graphite = 120o
The distance between two successive
graphite layers is 3.35Ao
WEIGHTAGE FOR DIFFERENT CHAPTERS
PHYSICS
S.No Name of the chapter
1
2.
3.
4.
5
6
7
8
9
10
11
S.No
1
2
3
4
5
6
7
8
9
10
Measurement of Length
Our Universe Gravitation
Kinematics
Dynamics
EMS
Sound
Light
Magnetism
Current Electricity
Modern Physics
Electronics
Name of the Chapter
Atomic structure
Chemical Bond
Periodic classification
of Elements
Alkaline Earth Metals
Solutions
Acids and bases
Chemistry of carbon
compounds
Carbohydrates and proteins
Oils and fats
Chemistry and industry
1M
2M
1
1
1
4M
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
CHEMISTRY
1M
2M
4M
1
1
1
1
1
5M
Bits
(Diagram)
1
1
1
1
6
1
1
1
1
1
2
1
2
2
5M
1
1
1
1
1
1
1
1
1
1
1
D ÐéÆý‡… "MýSÆð‡…sŒæ AOòœÆŠ‡Þ' ÖÇÛMýS¯]l$ ¯ólsìæ
Ýë„ìS "ѧýlÅ' õ³iÌZ ^èl*yýl…yìl.
1
1
Total
5½
3½
1½
5
2½
5½
6½
7½
7
13
8
Bits
2
1
Total
8
6½
1
4½
1
1
1
7½
2½
3½
6
6
2
4
2
10
3
4
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