A Level Physics (9702) Past Papers – Cambridge International

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Prepare for Cambridge International A Level Physics (9702) with interactive past paper quizzes. Covering mechanics, electricity, waves, thermal physics, and modern physics, these quizzes provide instant feedback and marking schemes to help you master exam techniques

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A Levels | Physics (9702)
Question Count : 40

Duration :1 hours

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A Levels | Physics (9702)

Challenge yourself with 40 fresh questions every attempt — no two quizzes are ever the same! 🎯

1 / 40

Which statement about electromagnetic waves is correct?

A wave of wavelength 5.0 × 10^–6 m is invisible to the human eye.

They cannot be polarised.

They consist of vibrating atoms.

They can all travel at different speeds in free space.

2 / 40

U/4

3 / 40

4 / 40

What is the best estimate of the number of atoms in a piece of metal of volume 50 cm³?

5 × 1015

5 × 1029

5 × 1031

5 × 1025

5 / 40

Which microorganisms have a length that is equal to the wavelength in free space of an
electromagnetic wave that is visible to the human eye?

protozoa of length 100 μm

fungi of length 50 μm

algae of length 0.5 μm

bacteria of length 5.0 μm

6 / 40

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9 / 40

A nucleus X is radioactive and decays into a nucleus Y.
X and Y are isotopes of the same element.
Which combination of particles could have been emitted during the decay process?

2 α-particles and 1 β^– particle

1 α-particle and 2 β^– particles

2 α-particles and 2 β^– particles

1 α-particle and 1 β^– particle

10 / 40

What must be included in a record of a physical quantity?

a unit expressed in base units

an integer value for the quantity

an SI unit

a numerical value for the quantity

11 / 40

5.4 N m

1.3 N m

2.7 N m

2.5 N m

12 / 40

A resistor of resistance R is connected across a cell of electromotive force (e.m.f.) E and
negligible internal resistance.
Which single change to the circuit would lead to the largest increase in the power dissipated in
the resistor?

halving the value of E

halving the value of R

doubling the value of R

doubling the value of E

13 / 40

27 J

5 J

19 J

43 J

14 / 40

A progressive wave of frequency 1.5 kHz travels in a medium at a speed of 340 m s^–1.
What is the minimum distance between two points on the wave that have a phase difference of
70°?

18 cm

4.4 cm

23 cm

8.8 cm

15 / 40

98 Hz

84 Hz

49 Hz

91 Hz

16 / 40

8.0Ω

4.0Ω

0.50Ω

2.0Ω

17 / 40

A cyclist in still air pedals as hard as she can. She reaches a maximum speed. However, after a
certain time her maximum speed increases.
What could be a possible cause for this?

She cycles into a wind.

She sits more upright on the bicycle.

She cycles over rougher ground.

She starts to travel downhill.

18 / 40

An object is stretched until it reaches the elastic limit.
Which statement must describe the stress on the object when it is at the elastic limit?

It is the maximum stress for which the object obeys Hooke’s law.

It is the maximum stress that can be applied to the object before it has plastic deformation.

It is the maximum stress the object can withstand before it breaks.

It is the maximum stress that can be applied to the object before it has elastic deformation.

19 / 40

0.14 kgm s^–1

0.10 kgm s^–1

0.50 kgm s^–1

0.020 kgm s^–1

20 / 40

21 / 40

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23 / 40

What is the definition of the potential difference across an electrical component?

energy transferred per unit resistance

energy transferred per unit time

energy transferred per unit current

energy transferred per unit charge

24 / 40

A positively charged meson consists of a quark and an antiquark.
What could be the quark and antiquark?

down and antitop

strange and antibottom

up and antistrange

charm and antiup

25 / 40

26 / 40

Forces of magnitudes 2N, 4 N and 7 N combine to produce a resultant force.
The magnitudes of the three forces are fixed, but the forces may act in any direction in the same
plane.
What is not a possible magnitude of the resultant force?

5 N

13 N

0 N

8 N

27 / 40

28 / 40

An observer hears a sound wave emitted from a moving source.
The observed frequency is less than the frequency of sound emitted from the source.
What could be the reason for this?

The source is moving towards the observer.

The speed of the sound wave in air increases due to the movement of the source.

The source is moving away from the observer.

The speed of the sound wave in air decreases due to the movement of the source.

29 / 40

the resultant force on the car

the kinetic energy of the car

the velocity of the car

the rate of change of kinetic energy of the car

30 / 40

A projectile of mass 0.25 kg is at a height of 30m above horizontal ground and travelling at a
speed of 15 m s^–1. A short time later, it is at a height of 35 m above the horizontal ground and
travelling at a speed of 5.0 m s^–1.
How much work is done against air resistance during this time?

37 J

25 J

0 J

13 J

31 / 40

An electromagnetic wave has a wavelength of 2.1 cm in a vacuum.
Which region of the electromagnetic spectrum contains this wave?

radio wave

infrared

visible light

microwave

32 / 40

¼I₀

I₀

½I₀

33 / 40

A transverse wave and a longitudinal wave both travel in the same direction down a long
stretched spring.
Which statement is not correct for these two forms of wave?

The displacement measurements for the particles of the two waves are made at right angles to each other.

The wavelength measurements for the two waves are made at right angles to each other.

The velocities of the two waves are in the same direction.

The energy transferred by the two waves is in the same direction.

34 / 40

35 / 40

0.41

0.64

0.59

0.77

36 / 40

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38 / 40

Which statement is not a requirement of a pair of forces that obey Newton’s third law of motion?

The forces act in opposite directions.

The forces act on different objects.

The forces are of equal magnitude.

The forces act on objects in contact.

39 / 40

Which statement about elastic and plastic deformation must be correct?

Elastic deformation causes heating of the material but plastic deformation does not.

Elastic deformation is reversible but plastic deformation is not.

Elastic deformation and plastic deformation cause no change in volume.

Elastic deformation and plastic deformation are proportional to the applied force.

40 / 40

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A Level Physics (9702) Past Papers – Cambridge International

Practice Cambridge exam papers with instant results - Each time different questions are asked

40 randomized questions every attemp

No repeats — fresh challenges each time

Practice smarter, improve faster

Boost your exam performance with guided past paper practice.

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