Queen’s College
Mock Examination 2018-2019
Physics Paper 1
Secondary 6
Block 1, 2, 3
Date:
Time:
13 February 2019
8.30 am – 11.00 am
(2.5 hours)
This paper must be answered in English
GENERAL INSTRUCTIONS
(1) There are TWO sections, A and B, in this Paper. You are advised to finish Section A
in about 50 minutes.
(2) Section A consists of multiple-choice questions in this question paper, while Section B
contains conventional questions printed separately in Question-Answer Book B.
(3) Answers to Section A should be marked on the Multiple-choice Answer Sheet while
answers to Section B should be written in the spaces provided in Question-Answer
Book B. The Answer Sheet for Section A and the Question-Answer Book for
Section B will be collected separately at the end of the examination.
(4) The diagram in this paper are NOT necessarily drawn to scale.
(5) The last two pages of this question paper contain a list of data, formulae and
relationships which you may find useful.
INSTRUCTIONS FOR SECTION A (MULTIPLE-CHOICE QUESTIONS)
(1) Read carefully the instructions on the Answer Sheet. Insert the information required in
the spaces provided.
(2) When told to open this book, you should check that all the questions are there. Look
for the words ‘END OF SECTION A’ after the last question.
(3) All questions carry equal marks.
(4) ANSWER ALL QUESTIONS. You are advised to use an HB pencil to mark all the
answers on the Answer Sheet, so that wrong marks can be completely erased with a
rubber. You must mark the answers clearly; otherwise you will lose marks if the
answers cannot be captured.
(5) You should mark only ONE answer for each question. If you mark more than one
answer, you will receive NO MARKS for that question.
(6) No marks will be deducted for wrong answers.
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2019-Mock Exam-PHY 1A
Section A
There are 33 questions. Questions marked with * involve knowledge of the extension
component.
1. An equal amount of energy is supplied to substances W, X, Y and Z of different masses.
The corresponding temperature rises are as follows:
Substance
W
X
Y
Z
Mass
m
2m
3m
4m
Temperature rise
8x
7x
6x
5x
Which substance has the smallest specific heat capacity?
A. W
B. X
C. Y
D.
Z
2. A student puts a glass of juice, initially at room temperature T1, into a freezer. The
following graph shows the variation of temperature of the juice with time.
Which of the following statements about the juice is correct?
A. The temperature of the freezer is T2.
B. The melting point of the juice is T2.
C. The juice starts freezing at point R.
D. Some of the juice still exists in liquid state at point Q.
3. In winter, people wearing a goose-down coat usually feel warmer
than wearing a cotton coat of the same thickness. This is because a
goose-down coat
A. is lighter than a cotton coat, so the heat loss by conduction can
be reduced.
B. has a smaller heat capacity than a cotton coat, so it absorbs a
smaller amount of heat from the human body.
C. traps more air, so the heat loss by conduction is reduced.
D. traps more air, so the absorption of heat from the surroundings is increased.
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* 4. An ideal gas is put in a vessel. The following two graphs show how its state changes
from X to Y. Figure a is a graph of gas pressure p against absolute temperature T, and
Figure b is a graph of gas volume V against absolute temperature T.
Which of the following statements describing the change of gas from X to Y is/are
correct?
(1)
(2)
(3)
A.
A certain mass of gas leaks out.
The total kinetic energy of the gas molecules in the vessel decreases.
The root-mean-square speed of the gas molecules in the vessel decreases.
(1) only
B. (3) only
C. (1) and (2) only
D. (2) and (3) only
5. A student runs up a hill and returns to his starting point along the same path. His average
uphill speed is x and average downhill speed is y. What are his average velocity and
average speed for the round trip?
Average velocity
Average speed
A.
x y
2
x y
2
B.
x y
2
2 xy
x y
C.
0
x y
2
D.
0
2 xy
x y
6. A ball is thrown vertically downwards at a speed of 5 m s-1 at a height of 30 m above the
ground. Estimate the time taken for it to reach the ground.
A. 2 s
B. 3 s
C. 4 s
D. 5 s
7. A mass of 2 kg, initially at rest on a horizontal surface, is accelerated at 3 m s-2 by a force
of 10 N. If the force is replaced by a 20 N force, what will be the new acceleration of the
mass?
A. 4 m s-2
B. 6 m s-2
C. 8 m s-2
D. 10 m s-2
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2019-Mock Exam-PHY 1A
8. A truck carries a tank of water is at rest on a horizontal road.
If the truck moves towards the right hand side with an acceleration, which of the
following diagrams best represents the water level?
A.
B.
C.
D.
9. Two blocks A and B of masses 3 kg and 2 kg respectively are connected by a light
inextensible string over a smooth pulley as shown in the figure. If the blocks are
released from rest, find the acceleration of the blocks and the tension in the string.
A.
B.
C.
D.
Acceleration (m s-2)
5.89
5.89
9.81
9.81
Tension (N)
11.8
29.4
11.8
29.4
10. The following figure shows four identical objects. Each of them is acted on by a set of
forces. How many objects are in static equilibrium?
A. 1
B. 2
C. 3
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2019-Mock Exam-PHY 1A
D. 4
11. As shown in the figure, a uniform lever is put on top of a pivot. The lever and the block
have a mass of 0.25 kg and 5 kg respectively. To balance the lever, an additional weight
of mass m is placed on lever on the right of the pivot. Find the minimum value of m.
453
A. 5.0 kg
B. 8.3 kg
C. 8.5 kg
D. 83.4 kg
* 12. As shown in the figure, a particle is projected from the ground with a speed of 10 m s-1 at
an angle of 30 to the horizontal. The particles flies through its highest point and lands
on a table 1 m above the ground. Find the time of flight.
A. 1.64 s
B. 0.746 s
C. 0.273 s
D. 0.124 s
* 13. A student projects an object up with an initial speed of 10 m s-1 at an angle of 45. Find
the percentage change in the kinetic energy of the object after 0.6 s.
A.  48.6%
B.  94.6%
C. + 48.6%
D. + 94.6 %
* 14. A geostationary satellite moves in a circular orbit around the Earth. Given that the
radius of the Earth is 6370 km. Which of the following statements about the satellite
is/are correct?
(1) There are several allowed geostationary orbits around the Earth.
(2) Its period is 8.64 × 104 s.
(3) It is at a distance of 3.59 × 107 m above the ground.
A. (1) only
B. (2) only
C. (2) and (3) only
D. (1), (2) and (3)
15. On a longitudinal wave, X and Y are two points at a distance of 8 cm apart. If both X and
Y are exactly situated at the centres of rarefaction, which of the following must not be the
wavelength of the longitudinal wave?
A. 2 cm
B. 4 cm
C. 8 cm
D. 16 cm
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2019-Mock Exam-PHY 1A
16. The following figure shows how a straight pulse is reflected by a barrier in a ripple tank.
40
Which of the following can produce the above reflected pulse?
A.
B.
40
C.
40
D.
50
50
17. The diagram below shows two dippers S1 and S2 vibrating in phase in a ripple tank.
They are separated by 5 cm and produce water waves of wavelength 2 cm.
Which of the following diagrams best represents the interference pattern produced?
(Key: solid lines: antinodal lines; dotted lines: nodal lines.)
A.
B.
C.
D.
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* 18. A beam of monochromatic light of frequency 5.0 × 1014 Hz falls normally on a plane
transmission grating. The angle of diffraction  of light at different orders m are
measured. A graph of sin  against m is plotted.
Calculate the grating spacing of the grating.
A. 4.8 × 10-3 m
B. 9.6 × 10-3 m C. 4.8 × 10-6 m
D. 9.6 × 10-6 m
19. The following diagram shows two loudspeakers emit coherent sound waves. P is
equidistant from the loudspeakers. A maximum loudness is detected at P, while a
minimum loudness is detected at Q.
Which of the following can be the wavelength of the sound?
(1)
(2)
(3)
A.
0.12 m
0.16 m
0.48 m
(1) only
B. (3) only
C. (1) and (2) only
D. (2) and (3) only
20. Which of the following is not a possible application of the corresponding electromagnetic
waves?
A.  radiation: take thermographs for medical diagnosis
B. X-rays: detect cracks in railway tracks
C. infra-red radiation: data transmission
D. ultra-violet radiation: sterilize drinking water
21. In daily life, sound undergoes diffraction more easily than light because
A. sound wave is longitudinal while light wave is transverse.
B. sound travels much slower than light.
C. sound transfers more energy than light.
D. sound has a much longer wavelength than light.
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22. As shown in the figure, a light ray travels from air into water and is reflected by a
horizontal mirror in the water. Given that the refractive index of water is 1.33. Find the
value of .
A. 14.9
B. 27.1
C. 62.9
D. 75.1
23. As shown in the diagram, a beam of light passes through three optical devices (1), (2) and
(3) successively.
The three devices are probably
A.
B.
C.
D.
(1)
concave lens
convex lens
concave lens
concave lens
(2)
rectangular glass block
rectangular glass block
concave lens
convex lens
(3)
convex lens
concave lens
convex lens
convex lens
* 24. As shown in the figure, three point charges A, B and C are fixed on a straight line and
2AB = BC.
A
B
C
The resultant electric force on B is zero. Which of the following statements must be
correct?
(1) A and C carry the same sign of charges.
(2) The electric force on B by A is half that by C.
(3) Consider magnitude only, C carries four times as much charges as A.
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
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2019-Mock Exam-PHY 1A
25. The e.m.f. of a battery is equal to
(1) the total electrical energy it releases to 1 C of charge in a closed circuit.
(2) the total electrical power it generates divided by the current it delivers in a closed
circuit.
(3) the potential difference across its terminals when it is on open circuit.
A. (1) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
26. As shown in the figure, a 9 V battery is connected to a resistor network. Find the
potential difference across the 2  resistor.
A. 0.6 V
B.
1.2 V
C.
1.8 V
D.
2.0 V
27. As shown in the figure, an electric heater is connected to the mains. Switches S1, S2
and S3 may either be open or closed. (L: live, N: neutral, E: earth)
In which of the following situations will a person get an electric shock when touching
the metal case of the heater?
A.
B.
S1
open
open
S2
open
closed
S3
closed
closed
C.
D.
closed
closed
open
closed
closed
closed
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2019-Mock Exam-PHY 1A
28. As shown in the figure, an object X is carefully brought near (but without touching) a
bar magnet. The bar magnet is placed on an electronic balance.
If the reading of the balance increases, what can object X be?
(1) Bar magnet
(2) Iron bar
(3) Copper bar
A. (1) only B. (1) and (2) only
C. (1) and (3) only
D. (2) and (3) only
29. As shown in the figure, a metal frame is moving at a constant speed out of a uniform
magnetic field which points into the paper. Neglect friction or air resistance. Which
of the following statements is/are correct?
(1)
(2)
(3)
A.
The magnetic flux enclosed by the frame is decreasing.
A pulling force is necessary to keep the frame moving at constant speed.
The induced current produces a magnetic field which points out of the paper.
(1) only
B. (3) only
C. (1) and (2) only
D. (2) and (3) only
30. A length of wire is bent to form a circular coil of 2 turns. When the coil is placed in a
uniform magnetic field with its plane at right angles to the direction of the field, the
magnetic flux linkage through the coil is . If the same length of wire is used to form
another circular loop of 6 turns, what should be the new flux linkage?
A.

9
B.

3
C.
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2019-Mock Exam-PHY 1A

D.
6
31. Which of the following can be deflected by both electric and magnetic fields?
(1)
(2)
(3)
A.
 radiation
a stream of protons
X-rays
(1) only
B. (3) only
C. (1) and (2) only
D. (1), (2) and (3)
* 32. The half-life of a sample of radioactive nuclide is 40 days. Initially it contains 1012
undecayed nuclei. Find the activity of the sample after 20 days.
A. 1.3 × 105 Bq
B. 1.4 × 105 Bq
C. 1.5 × 105 Bq
D. 1.6 × 105 Bq
33. Which of the following occurs when a hydrogen bomb is exploding?
A. a controlled nuclear fission
C. an uncontrolled nuclear fission
B. a controlled nuclear fusion
D. an uncontrolled nuclear fusion
END OF SECTION A
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2019-Mock Exam-PHY 1A
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2019-Mock Exam-PHY 1A
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2019-Mock Exam-PHY 1A
Solution to S6 Physics Mock Paper 1A (2018 – 2019)
1 – 5:
DACAD
6 – 10:
ACBAB
11 – 15:
CBACD
16 – 20:
ACCDA
21 – 25:
DCACD
26 – 30:
BBACB
31 – 33:
CBD
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2019-Mock Exam-PHY 1A