3

1 What are the SI base units for the moment of a force?

A kg m–1 s2 B kg s–2 C kg m s–2 D kg m2 s–2

Cambridge International AS & A Level
2 Which statement about vector quantities is correct?
PHYSICS 9702/11 A Acceleration of free fall is a vector quantity because it has a constant magnitude.
Paper 1 Multiple Choice October/November 2024
B Temperature in C is a vector quantity because it can be positive or negative.
1 hour 15 minutes
C Time is a vector quantity because it can only go in the forwards direction.
You must answer on the multiple choice answer sheet.
D Weight is a vector quantity because it has a direction.
*9242339677*

You will need: Multiple choice answer sheet

Soft clean eraser
3 The density of the material of a rectangular block is determined by measuring the mass and
Soft pencil (type B or HB is recommended)
linear dimensions of the block. The list shows the results obtained, together with their
uncertainties.
INSTRUCTIONS
 There are forty questions on this paper. Answer all questions.
mass = (25.0  0.1) g
 For each question there are four possible answers A, B, C and D. Choose the one you consider correct
and record your choice in soft pencil on the multiple choice answer sheet. length = (5.00  0.01) cm
 Follow the instructions on the multiple choice answer sheet.
 Write in soft pencil. width = (2.00  0.01) cm
 Write your name, centre number and candidate number on the multiple choice answer sheet in the height = (1.00  0.01) cm
spaces provided unless this has been done for you.
 Do not use correction fluid. The density is calculated to be 2.50 g cm–3.
 Do not write on any bar codes.
 You may use a calculator. What is the uncertainty in this result?

A  0.01 g cm–3 B  0.02 g cm–3 C  0.05 g cm–3 D  0.13 g cm–3

INFORMATION
 The total mark for this paper is 40.
 Each correct answer will score one mark. 4 What is a reasonable estimate of the volume of one page from this examination paper?
 Any rough working should be done on this question paper.
A 60 mm3 B 600 mm3 C 6000 mm3 D 60 000 mm3

5 An object is projected from horizontal ground at a velocity of magnitude u and angle  to the
horizontal. It hits the ground at a time t after it is projected. Assume air resistance is negligible.

Which statement does not describe the motion of this object?

A The horizontal component of the object’s velocity is constant and has the value ucos.

B The horizontal distance travelled by the object is tucos.

This document has 16 pages. Any blank pages are indicated. t

C The time taken for the object to reach maximum height is .
2

IB24 11_9702_11/4RP D The vertical component of the object’s velocity is constant and has the value usin.
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6 A person, travelling on a motorway a total distance of 200 km, travels the first 90 km at an 9 A toy parachute is dropped from a bridge and falls vertically through the air.
average speed of 80 km h–1.
The graph shows the distance travelled by the parachute against time.
Which average speed must be obtained for the rest of the journey if the person is to reach the
destination in a total time of 2 hours 0 minutes? Which region of the graph shows when the parachute is at terminal velocity?

A 110 km h–1 B 120 km h–1 C 122 km h–1 D 126 km h–1 9 C D

distance 8
travelled 7
7 A car of mass 1200 kg has momentum 18 000 kg m s–1. /m 6
B
5
What is the kinetic energy of the car?
4
A 4.65 kJ B 6.57 kJ C 135 kJ D 270 kJ 3
2
1
A
8 A ladder is positioned on icy (frictionless) ground and is leant against a rough wall. At the instant 0
of release it begins to slide. 0 0.5 1 1.5 2 2.5 3
time / s
Which diagram shows the directions of the forces P, W and R acting on the ladder as it slides?

A B
10 A lift (elevator) consists of a passenger car supported by a cable that runs over a light, frictionless
P pulley to a counterbalance. The counterbalance falls as the passenger car rises.
P
ladder ladder pulley
wall wall
R R
not to scale
W W
counterbalance
ground ground

passenger car
C D
P
P
ladder ladder
wall wall Some masses are shown in the table.
R R
mass / kg
W W
passenger car 520
ground ground
counterbalance 640
passenger 80

What is the magnitude of the acceleration of the car when carrying just one passenger and when
the pulley is free to rotate?

A 0.032 m s–2 B 0.32 m s–2 C 0.61 m s–2 D 0.65 m s–2

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11 A stationary ball of mass m is hit by a bat. The ball leaves the bat with velocity v. 14 The graph shows how velocity v varies with time t for a bungee jumper.

The bat is in contact with the ball for a short time t. Q
v
What is the average force of the bat on the ball? P
1
mv 2 mv 2
A mvt B C 1
2 mv 2 t D R
t t 0
0 t

12 A disc of mass M is moving across a horizontal frictionless surface with constant velocity u. It
collides with a stationary disc of mass 4M.

The diagram shows the view from above of the motion of the two discs before and after the At which point is the bungee jumper momentarily at rest and at which point does she have zero
collision. acceleration?

before collision after collision jumper with zero

jumper at rest
acceleration
4.0 m s–1
A Q P
M
u B Q R
45q C R Q
M 4M
45q D R R

4M
15 A solid sphere, which is less dense than water, is held completely immersed in water a few
v metres below the surface. The density of the water is uniform.

What is the initial velocity u of the disc of mass M ? The sphere is released. Immediately after release, the sphere rises.
A 1.1 m s–1 B 1.4 m s–1 C 3.5 m s–1 D 5.7 m s–1 Which row describes the changes in the magnitudes of the upthrust on the sphere and the
resultant force on the sphere as it rises?
13 An object is dropped from rest on the Earth from a height of 2.0 m.
upthrust on resultant force
The same object is dropped from rest on the Moon from twice the height. the sphere on the sphere

The acceleration of free fall on the Moon is approximately 16% of the value on the Earth. A constant decreasing
B constant increasing
Assume that there are no resistive forces acting on the object.
C decreasing decreasing
speed of the object just before hitting the surface on the Earth
What is the ratio ? D decreasing increasing
speed of the object just before hitting the surface on the Moon

A 1.8 B 2.5 C 3.1 D 3.5

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16 A uniform bar of weight 200 N and length 4.0 m is freely hinged on a wall at one end. The bar is 19 A spring of spring constant 30 N m is suspended vertically from its top. The spring obeys
horizontal and is held in equilibrium by a cable attached at a distance of 0.50 m from the other Hooke’s law. Initially the spring is not compressed and not stretched. A mass of 0.50 kg is
end. The cable is at an angle of 35 to the horizontal. attached to the bottom of the spring. The mass is released from rest and falls.

Frictional effects are negligible.

wall
In the motion that follows, what is the maximum extension of the spring?
T
A 0.017 m B 0.033 m C 0.16 m D 0.33 m
bar
35q
20 A wire has original length L and cross-sectional area A. A tensile force F is applied to the wire
which causes it to have extension x. The wire obeys Hooke’s law.
0.50 m
What is an expression for the Young modulus of the material from which the wire is made?
4.0 m
stress  x F Fx strain
A B C D
L A  strain AL stress
What is the tension T in the cable?

A 140 N B 170 N C 200 N D 400 N

21 A wire is stretched by a gradually increasing force. The force–extension graph for the wire is
shown.
17 The diagrams all show a pair of equal forces acting on a metre rule.
S
Which diagram shows forces that provide a couple and zero resultant force? R
force
A B C D Q

P
0
0 extension

Which statement must be correct?

18 A ball of mass m is thrown up to height h in air with an initial velocity v, as shown.
A Point Q is the elastic limit.

v B Point R is the limit of proportionality.

h
C The area under the graph from P to S is the elastic potential energy stored in the wire.
D The area under the graph from P to S is the work done in stretching the wire.
P Q

Air resistance is negligible. The acceleration of free fall is g. 22 A spring has an unstretched length of 0.30 m and a spring constant of 400 N m−1. An object is
suspended from the spring and the spring is deformed within its limit of proportionality. The new
What is the total work done by the gravitational force on the ball during its flight from P to Q? length of the spring is 0.50 m.

A zero B 1
mv 2 C mgh D 2mgh What is the elastic potential energy stored in the spring?
2

A 8.0 J B 16 J C 40 J D 50 J

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23 A wire consists of a 3.0 m length of metal X joined to a 1.0 m length of metal Y. 25 Which group of electromagnetic waves is arranged in order from shortest wavelength to longest
wavelength?
The cross-sectional area of the wire is uniform.
A radio waves  visible light  gamma rays

B visible light  microwaves  infrared

C visible light  ultraviolet  X-rays

X 3.0 m D X-rays  infrared  microwaves

26 A wave has a frequency of 5 GHz.

Y 1.0 m What is the period of the wave?

A 200 ps B 2 ns C 20 ns D 20 000 s
load
27 Three statements about two progressive waves are listed.
A load hung from the wire causes metal X to extend by 1.5 mm and metal Y to extend by 1.0 mm.
1 The waves have the same frequency.
The same load is then hung from a second wire of the same cross-sectional area, consisting of a
1.0 m length of metal X and a 3.0 m length of metal Y. 2 The waves have the same amplitude.

Both wires are extended within their limit of proportionality. 3 The waves are emitted with a constant phase difference.

What is the total extension of this second wire? Which statements must be correct for the two waves to be coherent?

A 2.5 mm B 3.5 mm C 4.8 mm D 5.0 mm A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

24 The graph shows the variation of the displacement with distance for a progressive wave at one 28 Waves P and Q have the same amplitude. The waves meet in phase at point X and interfere to
instant in time. give a resultant wave with intensity I.

The amplitude of wave P is doubled.

displacement
What is the new intensity of the resultant wave at X, in terms of I ?

A 0.44I B 1.5I C 2.3I D 3.0I

0
0 1.0 2.0 3.0 4.0 5.0 6.0
distance / cm 29 Radio waves can be polarised, but sound waves cannot be polarised.

Which statement gives the reason for this?

The period of the wave is 91 ms. A Radio waves are generally of a higher frequency than sound waves.

What can be determined about the wave? B Radio waves are transverse waves, but sound waves are longitudinal waves.

A It has a velocity of 0.44 m s–1 and a frequency of 11 Hz. C Radio waves can travel through a vacuum, but sound waves cannot travel through a
vacuum.
–1
B It has a velocity of 0.55 m s and a wavelength of 5.0 cm.
D Radio waves travel at a much higher speed than sound waves.
C It is longitudinal and has a frequency of 11 Hz.
D It is transverse and has a wavelength of 4.0 cm.

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30 Light of wavelength  is incident normally on a diffraction grating with a total number of N lines in 34 A cell with internal resistance is connected to a light-dependent resistor (LDR), a fixed resistor
width w. and a voltmeter, as shown.

A second order maximum is observed at an angle of diffraction .

What is N ?

w 2w wsin wsin

A B C D
sin sin 2 

31 Kirchhoff’s second law is a consequence of a basic principle.

V
What is this principle?
The voltmeter reading increases.
A The charge flowing in an electric circuit is conserved.
Which quantity decreases as the voltmeter reading increases?
B The energy in an electric circuit is conserved.
A the charge moving through the cell per unit time
C The sum of the electric currents entering a point in an electric circuit is equal to the sum of
the electric currents leaving that point. B the energy transferred to the fixed resistor per unit charge
D The sum of the potential differences in an electric circuit is equal to the sum of the products C the intensity of the light incident on the LDR
of the current and resistance.
D the terminal potential difference across the cell

32 The diagram shows a circuit with a light-dependent resistor (LDR).

35 The circuit shown contains a cell with negligible internal resistance.

10 k: 6.0 k:

12 V A
X
30 k:
The energy transferred per unit charge in driving charge around the complete circuit is E. The
potential difference (p.d.) across X is V.
The ammeter reads zero current.
The cell is then replaced with a different cell of the same electromotive force (e.m.f.) that has
What is the resistance of the LDR? significant internal resistance.

A 6.0 k B 18 k C 26 k D 30 k What is the effect on E and V of replacing the cell?

effect on E effect on V
33 A torch uses three lamps connected in parallel and is powered by a cell of electromotive force
(e.m.f.) 3.0 V and negligible internal resistance. Each lamp dissipates 0.60 W of power. A decreases decreases
B decreases increases
What is the current in the cell?
C no change decreases
A 0.067 A B 0.20 A C 0.60 A D 0.83 A
D no change increases

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36 In the circuits shown, the batteries are identical and all have negligible internal resistance. All of 37 A potentiometer circuit is used to determine the electromotive force (e.m.f.) E of a cell. The circuit
the resistors have the same resistance. The diodes have zero resistance when conducting and includes a second cell of e.m.f. 1.5 V and internal resistance 0.50  that is connected to a uniform
infinite resistance when not conducting. resistance wire XY, as shown.

In which circuit is the current in the battery greatest?

1.5 V
0.50 :
A B

0.64 m
X Y
Z
uniform resistance wire
length 0.96 m
resistance 0.50 :

C D The resistance wire XY has a length of 0.96 m and a resistance of 0.50 .

The movable connection Z is moved along wire XY. The galvanometer reading is zero when
length XZ is 0.64 m.

What is the value of e.m.f. E ?

A 0.50 V B 0.75 V C 1.0 V D 1.1 V

38 Which particle is not a fundamental particle?

A charm quark
B electron
C neutrino
D neutron

18
39 The isotope fluorine-18, 9 F, undergoes + decay to form a stable isotope.

How many neutrons are there in a nucleus of the stable isotope?

A 7 B 8 C 9 D 10

40 Which statement is correct?

A A baryon is a hadron and consists of 2 quarks.

B A meson is a hadron and consists of 3 quarks.
C An electron is a fundamental particle and is a lepton.
D A neutrino is a fundamental particle and is a hadron.

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