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UCSEC
CSEPhysics
c.
June 2013 P1
-2-
1.
'fbe unit of electrical resistance may be
expressed as
(B)
(C)
(D)
3.
(A)
(B)
(C)
(D)
6.
One gram is equal to
(A)
(B)
(C)
(D)
A slice of bread is squeezed into a little ball.
Which quantity doe:<:: NOT rh:inge?
10 = 1 V.A 1
1.0 = 1 A.V
J.Q = 1 A.V 1
1.0 = 1 W.A 1
(A)
2.
5.
10 :r_nilligrams
100 milligrams
1 000 milligrams
A boy measured the height of the laboratory
table with a metre rule. Which of the
following is MOST likely to be correct?
(A)
(B)
-(C)
(D)
10 000 milligrams
Mass
Volume
Density
Width
0.00895 m
0.0895 rn
0;895 m
8.95 m
When used in front ofa unit the prefix 'mega'
means
7.
JQ+6
(A)
(B)
(C)
(D)
10+3
10·3
1Q-6
An object of mass, m, is attached to a spring
balance and its weight, w, recorded. What will
be the result if the object is taken to the moon
and weighed there where the gravitational field
strength is less?
(A)
(B)
Item 4 refers to the relationship represented
by the lfue through Q and S in the diagram
below.
(C)
(D)
Mass = m; weight greater than w
Mass= m; weight less than w
Mass greater than m; weight= w
Mass less than m; weight= w
y
8.
Which of the following will be constant, if a
constant net force is applied to a body?
(A)
(B)
(C)
(D)
R
Q
4.
i
x
When x = 0, the value ofy is
(A)
'
Velocity
Kinetic energy
Momentum
Acceleration
Q
(B)
s
(C)
(D)
p
i
tlR
!
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-3-
.·~.,~_
-.
, Item 9 refers to the following diagram which
shows a simple extension, x /Force, F graph
for a light spring.
10.
The diagrams below, awn to scale, represent:'.'
two forces, Sand T, cting"at 0. In which of
the following is the sultant in the direction,
OX?
(A)
---------------------· x
0
T
(B)
75
9.
Which of
true?
I.
IL
III.
(A)
(B)
(C)
(D)
FIN
T
the following statements would be
(C)
s
The elastic limit of the spring was
exceeded.
The spring obeyed Hooke's law
over its entire extension.
The force per unit extension in the
elastic region was 7.5 N cm· 1•
I only
I and III only
II and III only
I, II and III
(D)
0
T
11.
Which of the follow· g expressions could be
used to find the spee of an object?
..
(A)
(B)
Chan e in
Time taken
Chan e in
Timetalcen
LC)
Distance tr
Time taken
(D)
Distance tra elled x Time taken
-4-
12.
Which of the following· is the unit of
momentum?
15. · ·· A coconut falls from a tree. Which of tlw
velocity/time graphs below BEST represents .
~f(' "''°"''"'ti"'t1
- -- -----
~-~--;;
(A)
(B)
(C)
(D)
13.
kgs·
kgm s· 1
kgm s·2
Nm
(A)
..,;'T"'
~---
.,.t=:>C"'iC"+".'.'.l't""l"P
-
----~
__.._., .... ...,
y
x
(B)
(C)
(D)
-~
._~
t
(B)
t
(C)
(A)
ic- ....
p,....1o,...+orl'41
__ ,_o._ . . . .
.... ...-.
v
A hydroelectric power station uses a
renewable source of energy, X. This energy
raises water to the top of a mountain so that
it has gra:vitational potential energy. As
the water runs down the mountain, it turns
a turbine which converts Y energy into Z
energy. Which set of answers for X, Y and
Z is correct?
14.
~.f
--
1
Electrical
Solar
Geothermal
Chemical
potential
kinetic
potential
kinetic
v
z
kinetic
electrical
electrical
electrical
0
(D)
t
v
Power can be defined as
(A)
(B)
(C)
(D)
0
force x distance moved
force
time
work done
time
work done x time
16.
A bubble of gas rises to the surface of a soft
drink. This is because the
(A)
(B)
(C)
(D)
.,
t
upthrust on the bubble is greater
than the weight of the bubble
upthrust on the bubble is greater
than the weight of water it
displaces
weightofthewaterdisplaced by the
bubble is less than the weight of
the bubble
density of the gas is greater than
the density of the drink
.
.
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.:-:,.
·\j.
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'
. Item 17 refors to the diagram below w..hich shows two d.ifferent sized coptainers witl). water at di.ffere~ti'•
levels connected by a glass tube and controlled by a tap.
··· ·
..
~"
p
17.
Wheb the tap is opened, water will flow from P to Q until
(A)
(B)
(C)
(D)
18.
Q
. the level of Q is at X
cont~iner P is empty
the level of Pis at Y
the water depths of P and Qare equal
A solid object, X, floats in mercury and sinks in
water. A solid object, Y, floats in both mercury
and water.
20.
There me NO afuajve forces between the
molecules in a
I
(A)
Which of the following is true about X and
Y?
(B)
(C)
(D)
(A)
(B)
(C)
(D)
Xis less dense than Y.
X and Y are both denser than water.
X and Y are both denser than
mercury.
Xis more dense than Y.
•
19.
A piece of string is tied onto a small stone and
the stone is then suspended, totally immersed,
in wat!?r. The tension in the string will be
(A)
(B)
. (C)
(D)
21.
The specific heat capacity of a material is the
energy required to
J
(A)
(B)
(C)
zero
~s.11:!! -t.:c -f.:l:e ";v~!g!!t 8f ~te s~:Jr... e
less than the weight of the stone
more than the weight of the stone
liquid and g~s
solid and a llquid
liquid
gas
{D)
melt 1 kg o ·the material with no
change ofltemperature
change theltemperature of the
material by 1 K
change 1 kg of the liquid material
to 1 kg of gas without a change
in temperature
change the temperature of 1 kg of
the material by 1 K
.
-622.
In 1he pressure law which of the following
statements would be true?
II.
III.
Ratio of pressure to Kelvin
temperature is constant.
Volume is constant.
Pressure is constant.
(A)
(B)
(C)
(D)
I only
Ill only
I and II only
I, II and III
I.
25.
· Some molten naphthalene at 100 °C is •
allowed to cool down to room temperature.
~'!' ::::z:;::~:.z..lc;,-,c, ::.z.s c.. ,r,t~L~hg porn1 01
80 °C, which of the following graphs BEST
represents the cooling curve?
(A)
0/°C
100
80
Umin
23.
Which ofthe following statements concerning
the radiation of heat would be true?
I.
II.
III.
(A)
(B)
(C)
(D)
24.
(B)
Radiation can only take place in a
material medium.
A good absorber is also a good
emitter of radiation.
Dark dull surfaces are better
emitters than shiny ones.
0/°C
100
80
t/min
(C)
9/°C
100
80
III only
I and II only
I and III only
TI and III only
t/min
(D)
An electric kettle full ofwater is plugged into
0/°C
100
80
the mains. The process by which heat travels
through the water is
(A)
(B)
(C)
(D)
t/min
electrification
convection
evaporation
radiation
26.
The specific latent beat of vapourization of
water is the energy required to change 1 kg
of water at
(A)
(B)
(Cj
(D)
0 cc to ice at 0 cc
99.9 cc to steam at 100.1 °C
100 cc to steam at 100 °C
O cc to steam at 100 °C
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•
-727.
Item 29 refers to the following diagram.
. ~- rn~!~L.9f n:.~~.s,_ rri~ r~q1J~[<?.,S.. l?,_~~rgy, E, to
... raise· its temperature from T1 to Tr The
specific heat capacity of the metal will be
given by
Direction of propagation
s
Displacement
(A)
__£__
mT2
(B)
from origin
Em
(T1 -T)
29.
(C)
(D)
28.
E
m(T1 -T)
(C)
(D)
II.
III.
Points P, Q and R are in phase.
Points S and T are out of phase.
The wavelength of the wave is the
distance PR.
(A)
(B)
(C)
(D)
I only
II only
I and II only
II and III only
I.
E
· m(T2 -T)
The spreading of a wave into the region
behind an obstruction is called
(A)
(B)
Which of the following statements about the
wave shown in the diagram above is/are true?
diffraction
refraction
superposition
interference
30.
If sounds of differing :frequencies are played
in succession, in which of the following
would a change be detected? (Assume
·amplitude constant.)
(A)
· (B)
(C)
(D)
31.
Loudness
Speed
Pitch
Wavelength
An explosion causes the emission of the
following types of radiation.
I.
IT.
III.
Light
Sound
Infra-red
Which of these will be received first by a
person SO'm"' rJic::t<i.rir::~ """':' £':')'2". ~2'--= s::'..:::::;?
(A)
(B)
(C)
(D)
I and II only
I and III only
Il and ID orily
I, II and m
-8-
. 32. . · . Avibrator on a ripple tank sends waves over
the water. The vibrator is now adjusted so
that the number of waves created each second
is doubled. The waves would now
'.·;
/\
travel at half the original speed
travel at twice the original speed
have twice the original wave length
have half the original wave length
(A)
(B)
(C)
(D)
33.
Item 35 refers to the following diagram:
A ray oflight in air strikes a glass block at an
angle of incidence of 0°. The light will be
35.
undeviated
totally reflected
refracted at 90"to normal
refracted at an unkiiown angle
(A)
(B)
(C)(D)
The diagram above shows a beam of white
light being dispersed (R-Red, V-Violet) by a
prism to form a visible spectrum. Which of
-the fol-low.ing makes this possible?
I.
34.
In a longitudinal wave, the particles
II.
(A)
remain stationary
move forward with the speed ofthe
wave
move backwards and forwards
parallel to the direction of travel
of the wave
move from side to side,
perpendicular to the direction
of travel of the wave
(B)
(C)
(D)
III.
IV.
The colour violet has the shorter
wavelength, hence refracts more
than colour red.
The colour red has the longer
wavelength, hence refracts less
than colour violet.
The colour violet has the longer
wavelength, hence refracts more
than colour red.
The colour red has the shorter
wavelength, hence refracts more
than colour violet.
(A)
I and II only
(B)
I and IV only
II and III only
III and IV only
(C)
(D)
•
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·<.
~·
36.
Which of the follo'wing would be true of the
image of an object placed at the bottom of
a tank of water and viewed vertically from
above?
W1iich
of the
following diagrams i:epres(!rits
...
.
.
.
.,
the magnetic field existing between two:·
opposite magnetic poles?
(A)
It is virtual.
I.
II.
III.
It is diminished.
It is nearer to the eye than the
object.
(A)
(B)
I only
I andH only
I and III only
II and III only
(C)
(D)
37.
39.
-\~.
.,.
N
s
N
s
N
s
(B)
.
For which of the following object distances
will a convex lens of focal length 18 cm
produce a real image?
I.
II.
m.
(A)
(B)
(C)
(D)
(C)
15 cm
36cm
54cm
I only
I and II only
II and III only
I, II and III
. (D)
38.
s
When a polythene rod is rubbed with a cloth,
it becomes
(A)
(B)
(C)
(D)
positively charged by gaining
protons
negatively charged by gaining
electrons
positively charged by gaining
'electrons
negatively charged by losing
protons
40.
Which of the following relationships between
electrical quantities is correct?
(A)
V=PI
(B)
R= VI
(("\
' -,
(D)
E
,.,.,=v
:.::.
E=VI
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•
- 10 -
41.
Which of the following options gives the
correct coknir code for electrical wiring?
NEUTRAL
EARTH
Blue
Blue
Green/yellow
Brown
Green/yellow
Green
Brown
Blue
45.
In domestic installation systems, which of:(he
following should be placed in the live wir~?
I.
m.
Switches
Circuit breakers
Fuses
(A)
(B)
(C)
(D)
I only
III onty
II and III only
I, II and ID
II.
(A)
(B)
(C)
(D)
42.
Brown
Red
Blue
Green
Which of the following could NOT be a unit
· of current?
46.
wv
.(A)
1
(!!)
vw- 1
(C)
(D)
C s- 1
In which of the following diagrams are
resistors P and Q in series with each other
and parallel with R?
cs
p_/\_,Q
(A)
43.
Which of the following equations CANNOT
be used to determine the power dissipated in
a resistor?
(A)
p::;:J2R
(B)
P= °V.i
R
(C)
P=VI
(D)
P=!!_
~
R
p
(B)
Q
(C)
44.
c
v2
~
Q
(D)
The refractive index of a transparent medium
with a critical angle, c, for light travelling
from the medium to air is
•
(A)
l.
c
47.
(B)
90°
sine
(C)
sin 90°
sine
(D)
smc
Which of the following equations is NOT
correct?
(A)
(B)
(C)
(D)
lC=lAxls
lV=lAxlD.
lJ=ICxlV
lW=lVxlC
•
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- 11 48.
··.,
..
Item 50 refers to t~~ foll(J_wing diagr_alil. _
Which oft]:ieJoUowing graphs illustrates an
. ALTERNATING current?
.
.
Current
(A)
t
Current
(B)
50.
0
Time
Which of the circuits below could prod-ere
the voltage-time graph shown in the diagram
above when the ends of the resistor are
connected?
Current
(C)
0
(A)
11
Time
Current
(D)
(B)
Item 49 refers to the diagram below.
(C)
(D)
49.
Two light aluminium spheres, A and B, are
suspended by insulating threads. If they come
to rest as shown in the diagram, the force
keeping them apart is
lAJ
(B)
( C)
(D)
grav1tat1onai
electrostatic
magnetic
centripetal
GOONTOTimNEXTPAGE
·.r;
- 12 51.
Aconductor, rotating i~a unilo1Jll :i::i;ta_gnetic
field, induces maxi um· instantaneous
current when the condu tor cuts the magnetic
iield lines at
(A)
(B)
(C)
(D)
52.
·....
.53.
30°
A wire carrying a current in a magnetk,-;.
field may experience a forQe. Which of the~··
fol]owin!r dpvi~e<:> d0i::: '!'-TIJT ~e;e::.::! ::::. ~:..:.::
force?
(A)
(B)
(C)
(D)
45°
90°
180°
of follo1ng
Which
the
diagrams is a
representatiqn ofthe c ent/p.d. relationship
for a metallic condu tor at a constant
temperature?
54.
.,
::··
Loudspeaker
Electric motor
Moving coil galvanometer 'J
Electromapet
Which of the following statements about
alternating current is true?
(A)
{B)
(A)
-.....,
(C)
(D)
It can be rectified by using a
semiconductor diode.
It can be changed into direct current
by a transformer.
It can be used to recharge a battery.
It can be used to transmit electrical
energy because of its high
frequency.
·~.
j"
~
:
<·
f
..
55.
(B)
The Rutherford model of the atom suggests
that an atom consists of a
(A)
(B)
(C)
(D)
I
solia mass ofprotons and electrons
nucleus of protons only with
orbiting electrons
nucleus of equal numbers of
neutrons and electrons with
orbiting protons
nucleus of protons and neutrons
with orbiting electrons
(C)
•
(D)
v
56.
The number of neutrons present in the nucleus
of the nuclide ;~2 Rn is
(A)
, (B)
(C)
(D)
86
136
222
308
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57.
An isotope of ziric has a midi de which can
59.
be represented as ~Zn . The number of
electrons in a neutral atom is
(A)
(B)
(C)
(D)
Which of the following ·statements about a
proton is NOT correct?
(A)
30
34
64
94
(B)
(C)
(D)
58.
Which of the :(olloviing scientists discovered.
radium?
(A)
(B)
(C)
(D)
Marie Curie
'Isaac Newton
Albert Einstein
J: J. Thompson
60.
.It is a hydrogen atom minus an
electron.
It has the same mass as that of an
electron.
It has a mass about 2 000 times that
of an electron.
It has a charge equal in size but
opposite in sign to that of an
electron.
Which of the following are definitions of the
term 'half-life' of radioactive nuclide?
I.
II.
III.
(A)
(B)
(C)
(D)
The time taken for the activity of
any given sample to fall to half
.its original value.
The time taken for half the nuclei
present in any given sample to
decay.
It is half the average number of
disintegrations per second.
I and ll only
I and III only
II and III only
I, II and ID
END OFTEST
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST.
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