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LIST OF PHYSICAL CONSTANTS
Item 1 refers to the following
and their base units.
Universal gravitational constant
G
Specific heat capacity of water
Specific latent heat of fusion of ice
Specific latent heat of vaporization of water
atm
P
1.00 x 10 kg m
(C)
(D)
L
3.34 x 10° J kg
L,
2.26 x 10° J kg!
N
6.02 x 10 per mole
R
8.31 J K mo!
5.67 x 0
2.
6
Acceleration
Which group of physicalquantities contains
Avan of mass 2500 kg
travelling due south
collides with a car of mass
1500 kg travelling due north at 80 km hr.
If the two vehicles fuse on
impact, what
is the final velocity and direction of the
vehicles?
Time
(B
Mass
(C)
Speed
Displacement Force
Distance
Energy
Power
AccelerationForce
7.
82.5 kmn hr
(D)
82.5 km hr
exceed
due south
due north
A metal case is dropped out of a
the case just before it hits the
(A)
(B)
(C)
(D)
273.16 K
hovering
ground?
0.0 ms-!
8.2 m s!
28.0 ms!
39.6 m s!
49 kg ± 1 kg
49 kg ± 2 kg
(C)
50 kg ± 1 kg
(D)
SI kg + 2 kg
8.
In an inelastic collision
Which of the
dimensions of
constant, G?
(A)
m s2
(B)
(C)
(D)
kg' m' s²
ing units gives the
universal gravitational
between two
bodies, which quantity remains constant?
(A)
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7.5 km hr' due north
hitting the ground. What is the velocity of
suitcase?
4.
7.5 km hr' due south
(B)
(C)
helicopter and plummets 80 m before
Mary is on her way to New York and wants
the 50 kg limit. She stands on the
scale and
finds her mass is 55 kg + 1 kg. She then
lifts her suitcase and the mass changes to
104 kg
1kg. What is the mass of her
1000 kg
8.89 s
(A)
(A) Velocity
(A)
(B)
(D)
at 60 km hr
to ensure that her suitcase does NOT
6.626 x104 Js
T,
Speed
Distance
(D) Momentum
340 m s!
(C)
0.37 s
0.61s
2.98 s
Force
W m²K4
3.00 x 10 ms
Planck's constant
represent?
only vectors?
3.
Speed of sound in air
1tonne
(A)
(B)
4200 Jkg' K
Speed of light in free space (vacuum)
Triple point temperature
JK-1
C,
Stefan-Boltzmann's constant
What quantity does
1
A tennis ball is given a
velocity
of 8m s' when it is hithorizontal
at a height 1.8 m
above the ground. The ball is in the air for
(A)
(B)
R: kg m's
1.00 x 10Nm
1.38 x 10-
Avogadro's constant
Molar gas constant
P: kg m
6.67 x 10-" Nm² kg ²
9.81 ms
Boltzmann's constant
Density of water
5.
Q: kg ms
Acceleration due to gravity
1Atmosphere
quantities
(B)
(C)
(D)
Momentum of cach body
Kinetic energy of each body
Total momentum of the system
Total kinetic energy of the system
kg m²s!
kg- ml _-!
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-4.
9.
An object of mass 400 g is
attached to a
string. The mass is set in circular motion
such that it moves in the
with a radius of 0.77 m. horizontal plane
-5
Item 12 refers to the following graph which
14
A truck is moving at a speed of 40 m
s
but the engine is only producing 20
kWof
shows the velocity of a small ball bearing
useful power. What is the driving force
travelling through ameasuring cylinder of
produced by the engine?
glycerine.
What is the anticipated
of
the object if it takes 16 acceleration
s to complete
20 revolutions?
(A)
(B)
(C)
(D)
10.
19.5 m s
(A)
(B)
(C)
500 N
800 N
S00 kN
(D)
800 KN
15.
74.0 m s
Two cars that have the same kinetic
travel with a velocity of V, and V,. energy
If the
mass of the first car is twice the mass of
the second car, which of the
Its acceleration is zero.
It moves with the same
12.
The points labelled X and Y
respectively
velocity as
(A)
(B)
Its angular velocity is equal to that
(D)
the earth.
(C)
of the earth.
(D)
geographical location changes
A rocket in gravity-free space is
5.0 x 10° kg of fuel Iper second. The burning
exhaust
gases are expelled at 8.0 x 10 ms relative
(B)
(C)
(D)
Amplitude
first car?
force and acceleration
terminal velocity and acceleration
acceleration and terminal velocity
uniform velocity and displacement
(2000 kg
Lo
to the rocket, whose mass is 2.0 x 10 kg at
that time. What is the rocket's
acceleration?
(A)
(B)
expressions represents the velocity of the
represent
(B)
2V,
2
(C)
(C)
Item 13 refers to the following diagram
which shows a bus of mass 2000 kg
travelling down a hill of vertical height
50 m.
as the earth rotates.
11.
Amplitude
following
(A)
(C)
(A)
Time
56.7 m s²
satellite?
(B)
Which of the following graphs represents
abody undergoing critical damping?
47.5 m s
Which of the following statements
describes the motion of a geostationary
(A)
17.
Amplitude
(D)
2
Time
16.
The displacement of a particle
undergoing
simple harmonic motion is given
by
(D)
Ampiltude
x=8 sin 0.4 nt.
10 ms2
20 m s²
50 m
The frequency of oscillation of the particle
is
400 m s
Time
2500 mn s
X
13.
Assuming there is no energy loss, what is
the speed of the bus at point X?
(A)
11.0 m s-!
(B)
(C)
15.7 m s!
22.2 ms!
(D)
31.3 ms!
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(A)
(B)
(C)
(D)
0.2 Hz
0.4 Hz
5.0 Hz
8.0 Hz
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20.
18.
Two sources of water waves, X and Y,
generate waves which are of identical
frequency but out of phase by 180°. The
waves from Xare of amplitude S m and the
waves from Yare of amplitude 3 m.
Which ofthe following graphs BEST represents the
between total energy, E,. potential
energy, E,, kinetic energy. E, , and displacement ofarelationship
particle moving in a straight line with simple
harmonic motion?
(A)
Energy
Which of the following statements is NOT
true about a progressive wave?
(A)
It consists of one wave moving in
(B)
It appears to travel from one point
(C)
Energy is not transferred along the
(D)
It consists of crests and troughs.
a single direction.
Which of the following graphs
correctly
describes the oscillation ofa particle which
(C)
Energy
21.
to another.
is equidistant from Xand Y?
wave.
Displacement(m)
-E,
22.
(A)
(B)
(D)
Energy
Time
E,
Displacement
Displacement
Abeam of monochromatic light is incident
normally on a diffraction grating having
500 lines per millimetre. If the second
order of
diffraction is found at 30° to the
normal, what is the wavelength of light
used?
Energy
Displacement(m)
(A
(B
(C)
(D)
E
E,
(B
480 nm
500 nm
S60 nm
600 nm
E,
Displacement
Displacement(m)
Displacement
2
(C)
19.
Time
Stationary waves are produced by superimposing progressive waves of frequency 500 Hz.
Successive nodes are separated by a distance of 2 m. What is the speed of the progressive waves?
(B)
125 m s
250 m s
(C)
1000 ms
(D)
2000 ms
(A)
Displacement(m)
(D)
(
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Time
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-8 -9
23
The following displacement-position graph represents a
stationary wave at two different instants.
Item 27 refers to the following diagram
which shows a snapshot of a rope as a
Displacement
30
25 cm from the eye. The focal length of
the lens needed to correct this defect is
(A)
Position
27.
The distance PQ represents half the
(A)
Which of the following sets of arrOws
correctly shows the directions of the motion
of points X, Y and Z on the rope?
period
(B)
velocity
(C)
amplitude
wavelength
(D)
X
Y
31.
Z
true about polarization?
(A)
Transverse waves can be polarized.
(B)
Longitudinal waves can be polar
(C)
Polaroids only allow vibrations in
ized.
one direction to pass through
them.
(D
Polarization is used to differentiate
between transverse and longitu
dinal waves.
26.
Which of the following statements is NOT
(D)
(A)
Noise is an unintended or unwanted
28.
Noise is determined by the pitch of
(C)
Loudness is determined by the
intensity of sound.
1.6 mm
2.9 mm
5.3 mm
30 cm
150 cm
A resistance thermometer has a resistance
(A)
(B)
34.35 °C
65.60 C
(C)
(D)
152.32 °C
291.12 °C
(D
Loudness is a subjective sensation
(A)
(B)
(C)
and is dependent on the listener.
(D)
changing temperature?
(A)
0.60
0.80
(B)
(C)
(D)
1.25
1.50
A student's range of hearing is from
40 Hz to 15 kHZ. What is the SHORTEST
Which of the following instruments is
MOST Ssuitable for measuring a rapidly
sound.
33.
(AY
0.022 m
0.045 m
8.25 m
(C
(D)
Resistance thermometer
Alcohol-in-glass thermometer
Mercury-in-glass thermometer
true about matter?
wavelength of sound that she can hear if the
(B
Thermocouple
Which of the following statements is/are
Whilst
speed of sound in air is 330 ms1?
0.2 mm?
(B)
(C)
(D)
32.
refractive index of the medium is
(B)
of the yellow fringes formed on a screen
1.8 m from a double slit with a spacing of
0.2 mm
As light travelling in air enters a medium,
its speed changes to 2.4 x 10 ms. The
sound.
The wavelength of a yellow light source
is 5.89 x 10 m. What is the separation
(A)
(C)
(D)
true about sound?
29.
25
5 cm
25 cm
in a boiling liquid. What is the
at which the liquid is boiling? temperature
(A)
(C)
Which of the following statements is NOT
(B)
of 35.00 Q at the ice point, 42.54 Q at the
steam point and 37.57 2 when immersed
(B)
24.
The near point ofa defective eye is 30 cm
from the eye. The normal near point is
transverse wave passes along it from left
to right.
substance is melting. its
temperature remains constant.
The triple point ofa substance has
a constant value.
The boiling point of a liquid does
not depend on the pressure ofthe
22.0 m
surroundings.
(A)
I only
(B)
(C)
I and Il only
Iland Il only
(D)
1, II and III
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34.
Item 39 refers to the following diagram showing the
P-V graph for a gas undergoing a cycle from
A-+B+C+D’A.
The equation which defines the relationship between the heat capacity and specific heat capacity
of an object is
(A)
(x 10)
Specific heat capacity =heat capacity
mass
(B)
PIPa
Heat capacity = Specific heat capacity
mass
(C)
Mass = heat capacity x specific heat capacity
(D)
Specific heat capacity = nass² x heat capacity
B
1.6
0.8
0.4
35.
Water falls from a height of 500 m. What
A small black sphere has an absolute
an enclosure whose walls are at a higher
to internal energy in the water?
absolute temperature, T,. The net rate of
(A)
36.
37
is the rise in temperature of the water at the
bottom, ifall the energy gained is converted
(B)
0.19 K
0.24 K
(C)
0.49 K
(D)
1.17 K
temperature, T,. It is hung in the centre of
gain of thermal energy by the sphere is
proportional to
(A)
(T
(B)
(C)
(D)
(TJ- (T)
Metals are generally better thermal
1.4
1.6
2.0
V/m
(x 10)
39
(T,y
How much work is done on the gas during the process
(A)
0.16 J
(B)
1.6J
6.4 J
8.0 J
(C)
(D)
(T,-T)"
C’D?
conductors than non-metals because
38
(A)
they contain free electrons
(B)
they contain more electrons
(C)
their molecules are closer together
their molecules are less firmly
(D
bonded
A contractor builds an office window of
40.
In the kinetic theory of an ideal gas,
height 150 cm and width 200 cm with a
(A)
glass pane of thickness 0.5 cm. The tem
(B)
perature difference across the glassis 15K
(C)
and the thermal conductivity of the glass is
0.65 W m-' K-. What is the heat energy
(D)
per second conducted through the window?
(A)
(B)
(C)
(D)
1.63 kW
5.85 kW
163 W
585 W
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41.
which of the following assumptions is NOT corect?
The molecules have negligible
The duration of a collision is
attraction for each other.
negligible compared with the timne between the collisions.
The volume of the molecules is
The molecules have negligible negligible compared with the volume in which they move.
momentum
change on collision with the container walls.
Helium gas is kept in a container at a
0.92 kg m', what is the root mean squarepressure of 1.7 x 10 Pa. If the density of helium is
speed of the helium atoms?
(A)
(B)
(C)
(D)
248 m s!
330 m s!
430 m s-!
745 m s-!
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- 12
Item 42 refers to the following graph which shows the force
extension in millimetres, E, of a material.
Item 44 refers to the following force-extension graph for a
newtons, F, required for the
region where elastic deformation oOccurs.
F(N)
Force/N
E(mm)
42.
stretched wire. OX represents the
120
According to the graph, which of the following statements is/are true?
90
The graph represents the extension of a metal.
The graph represents the extension of rubber.
60
Plastic deformation is predominant.
30
43.
(A)
(B)
(C)
Ilonly
(D)
II and III only
I only
Iand III only
40
In the equation for the first law of thermodynamics, AU =Q+ W. Which of the following pairs
of phrases is true of Q and W?
44.
(A)
(D)
Heat lost by the system
Work done on the system
(B)
Heat lost by the system
Work done by the system
(C)
Heat supplied to the system
Work done by the system
(D)
Heat supplied to the system
Work done on the system
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80
Extension/um
What is the strain energy stored in the wire for an extension of 40 um?
(B)
(C)
(A)
60
1.2 uJ
2.4 J
1.2 mJ
2.4 mJ
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- 14 -
Item 45 refers to the following forceextension graph of two
different wires.
FIN
70
60
50
40
30
20
10
2
45.
4
6
Elmm
What is the difference in energy stored between the two wires when extended 6 mm?
(A)
(B)
0.06 J
0.12 J
(C
0.18 J
(D
0.30 J
END OF TEST
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS
TEST.