Cambridge IGCSE™

PHYSICS 0625/11
Paper 1 Multiple Choice (Core) October/November 2024
45 minutes

You must answer on the multiple choice answer sheet.

*8492839431*

You will need: Multiple choice answer sheet

Soft clean eraser
Soft pencil (type B or HB is recommended)

INSTRUCTIONS
 There are forty questions on this paper. Answer all questions.
 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.
 Follow the instructions on the multiple choice answer sheet.
 Write in soft pencil.
 Write your name, centre number and candidate number on the multiple choice answer sheet in the
spaces provided unless this has been done for you.
 Do not use correction fluid.
 Do not write on any bar codes.
 You may use a calculator.
 Take the weight of 1.0 kg to be 9.8 N (acceleration of free fall = 9.8 m / s2).

INFORMATION
 The total mark for this paper is 40.
 Each correct answer will score one mark.
 Any rough working should be done on this question paper.

This document has 16 pages.

IB24 11_0625_11/RP
© UCLES 2024 [Turn over
 2

1 The diagram shows a rectangular metal sheet close to two rulers.

30

metal sheet
20

10

cm
0

0 cm 10 20 30 40 50

What is the area of the metal sheet?

A 700 cm2 B 875 cm2 C 900 cm2 D 1125 cm2

2 The diagram shows the speed–time graph of an object.

In which section does the object have the largest acceleration?

speed D
C

B
A
0
0 time

3 An object begins to fall close to the Earth’s surface. Air resistance can be ignored.

Which statement about the object’s acceleration is correct?

A The acceleration is constant.

B The acceleration decreases as the body falls.
C The acceleration increases as the body falls.
D The acceleration is zero.

© UCLES 2024 0625/11/O/N/24

 3

4 Which quantity is equal to gravitational force?

A gravitational field strength  mass

B gravitational field strength  weight

C mass per unit weight
D weight per unit mass

5 A concrete building block has the dimensions shown.

29 cm

18 cm

12 cm

The mass of the block is 15 000 g.

What is the density of the block?

A 43 g / cm3 B 2.4 g / cm3 C 0.42 g / cm3 D 0.023 g / cm3

6 What is measured by the moment of a force?

A the acceleration produced by the force

B the turning effect of the force
C the time for which the force acts
D the increase in energy caused by the force

© UCLES 2024 0625/11/O/N/24 [Turn over

 4

7 Two identical containers, P and Q, are partly filled with different quantities of sand.

The position of the centre of gravity for each container is labelled X.

X
X

P Q

Which container is more stable and what is the reason why it is more stable?

A P is more stable because it has a lower centre of gravity.

B P is more stable because it has a smaller mass.
C Q is more stable because it has a greater depth of sand.
D Q is more stable because it has a higher centre of gravity.

8 The diagram shows a steel sphere falling through a cylinder of oil.

steel sphere

oil

Which row indicates what happens to the steel sphere and what happens to the oil as the steel
sphere falls?

the steel sphere the oil

becomes becomes
warmer warmer

A yes yes
B yes no
C no yes
D no no

© UCLES 2024 0625/11/O/N/24

 5

9 A moving object is brought to rest by a frictional force of 30 N over a distance of 5.0 m.

The diagram shows the energy transferred between stores.

store of store of
kinetic energy internal energy

How much energy is transferred by this force and how is the energy transferred?

how the energy

energy transferred / J
is transferred

A 6.0 by electrical working

B 6.0 by mechanical working
C 150 by electrical working
D 150 by mechanical working

10 A motor transfers 24 J of energy in 60 seconds.

What is the power output of the motor?

A 0.40 W B 2.5 W C 24 W D 1400 W

11 An artist makes four sculptures with circular bases and places them on sand. All the sculptures
are of equal weight and volume.

Which sculpture is least likely to sink into the sand?

A B C D

sand

12 A quantity of water is boiled to form the same mass of steam.

Which row shows how the volume and density of the water change?

volume density

A decreases decreases
B decreases increases
C increases decreases
D increases increases

© UCLES 2024 0625/11/O/N/24 [Turn over

 6

13 The diagram represents gas particles moving around in a sealed container.

The gas particles collide with the walls of the container.

The temperature of the gas is increased.

What happens to the average speed of the gas particles and what happens to the number of
collisions by the gas particles with the walls of the container?

average speed the number of collisions with

of gas particles the walls of the container

A increases less frequent collisions

B increases more frequent collisions
C stays the same less frequent collisions
D stays the same more frequent collisions

14 A metal object is heated strongly in an oven.

What happens to the volume of the object and the internal energy stored in the object?

volume internal energy

A decreases decreases
B decreases increases
C increases decreases
D increases increases

15 Which row describes the process of melting?

change in
initial state final state
temperature

A liquid gas yes

B liquid solid no
C solid gas yes
D solid liquid no

© UCLES 2024 0625/11/O/N/24

 7

16 A beaker of water is heated and thermal energy travels through the water by convection.

What happens to the density of the water when it is heated and how does the water move?

A The density decreases and the heated water moves downwards.

B The density decreases and the heated water moves upwards.
C The density increases and the heated water moves downwards.
D The density increases and the heated water moves upwards.

17 Waves travel across the surface of water.

What is meant by the amplitude of the wave?

A the maximum distance of a water particle from its mean position

B how far the wave travels every second
C the number of waves passing a point every second
D the distance between the top of consecutive waves

18 Water waves change direction when they move from shallow water to deep water.

new wave
direction

original
wave
direction
deep
water

shallow
water

What is the name of this effect?

A diffraction
B dispersion
C reflection
D refraction

© UCLES 2024 0625/11/O/N/24 [Turn over

 * 0000800000002 *

DO NOT WRITE IN THIS MARGIN

2
,










,

1 Fig. 1.1 shows the speed–time graph for a cyclist riding a bicycle.

speed
6
m/s

DO NOT WRITE IN THIS MARGIN

4

0
0 5 10 15 20 25 30
time / s

DO NOT WRITE IN THIS MARGIN

Fig. 1.1

(a) State the speed of the cyclist at time = 15 s.

speed of cyclist = ................................................. m / s [1]

(b) Describe the motion of the cyclist

1. from time = 0 to time = 5 s ....................................................................................................

2. from time = 10 s to time = 20 s ..............................................................................................

DO NOT WRITE IN THIS MARGIN

3. from time = 20 s to time = 30 s ..............................................................................................
[3]

(c) Calculate the distance travelled by the cyclist from time = 20 s to time = 30 s.
DO NOT WRITE IN THIS MARGIN

distance = ...................................................... m [3]

[Total: 7]

ĬÍĊ®Ġ´íÈõÏĪÅĊßù·þ×
© UCLES 2024 ĬËùüÛĪúÿÝôþ®°ëġĜøĂ
ĥĥÅÕõĕąõąÅĥÅŵåÕĕÕ
0625/31/O/N/24
 * 0000800000003 *
DO NOT WRITE IN THIS MARGIN

3
,










,

2 A person pushes a pushchair. A young child rides in the pushchair. Fig. 2.1 shows horizontal
forces acting on the front wheel of the pushchair.
DO NOT WRITE IN THIS MARGIN

30 N 10 N

Fig. 2.1 (not to scale)

(a) Calculate the resultant of the horizontal forces shown in Fig. 2.1.
DO NOT WRITE IN THIS MARGIN

resultant force = ........................................................... N

direction = ...............................................................
[2]

(b) (i) Another person pushes a shopping trolley with a force of 40 N. The shopping trolley
moves at a constant speed along a horizontal path.

Calculate the work done by the 40 N force to move the shopping trolley a distance
of 50 m.
DO NOT WRITE IN THIS MARGIN

work done = ...................................................... J [3]

(ii) The work done on the shopping trolley as it starts moving is transferred into other energy
stores.
State two such energy stores.

1 ........................................................................................................................................

2 .........................................................................................................................................
[2]
DO NOT WRITE IN THIS MARGIN

ĬÏĊ®Ġ´íÈõÏĪÅĊßû·þ×
© UCLES 2024 ĬËúûÓĠöïÜĆóûĬÓµĜĈĂ
ĥĥµĕµõĥĕĕµµÅÅÕÅĕąÕ
0625/31/O/N/24 [Turn over
 * 0000800000004 *

DO NOT WRITE IN THIS MARGIN

4
,










,

(c) In (a), the weight of the pushchair and child is 240 N.

The total area of contact with the ground is 38 cm2.

Calculate the pressure on the ground due to the pushchair and child.

pressure on ground = ............................................. N / cm2 [3]

DO NOT WRITE IN THIS MARGIN

[Total: 10]

DO NOT WRITE IN THIS MARGIN

DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN

ĬÍĊ®Ġ´íÈõÏĪÅĊÝù·Ā×
© UCLES 2024 ĬËúúÓĦĈúßČüôÊïėČðĂ
ĥÕĥĕõõĥµõĕÅÅąÕĥĕĕÕ
0625/31/O/N/24
 * 0000800000005 *
DO NOT WRITE IN THIS MARGIN

5
,










,

3 A student determines the density of a metal. Fig. 3.1 shows an irregularly shaped piece of the
metal and some equipment.

measuring
cylinder
beaker containing
water
displacement
can
irregularly shaped
piece of metal
DO NOT WRITE IN THIS MARGIN

Fig. 3.1

(a) Describe how the student can find the volume of the piece of metal.

In your answer you may refer to some or all of the equipment shown in Fig. 3.1.

...................................................................................................................................................
DO NOT WRITE IN THIS MARGIN

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

............................................................................................................................................. [4]

(b) The mass of another piece of the metal is 350 g. The volume of this piece of metal is 18 cm3.

Calculate the density of the metal.

DO NOT WRITE IN THIS MARGIN

density = .............................................. g / cm3 [3]

[Total: 7]
DO NOT WRITE IN THIS MARGIN

ĬÏĊ®Ġ´íÈõÏĪÅĊÝû·Ā×
© UCLES 2024 ĬËùùÛĤČĊÚîąµĎćÃČĀĂ
ĥÕĕÕµĕąÕĥĥĕÅąµąÕąÕ
0625/31/O/N/24 [Turn over
 * 0000800000006 *

DO NOT WRITE IN THIS MARGIN

6
,










,

4 (a) Fig. 4.1 shows the energy transfers in a lamp.

input = 40 J of useful output

electrical energy = 28 J of light energy

DO NOT WRITE IN THIS MARGIN

wasted output energy

Fig. 4.1 (not to scale)

(i) State the value of the wasted output energy.

wasted output energy = ...................................................... J [1]

(ii) The energy that is wasted is transferred to an energy store. State the energy store that is
increased by the wasted energy.

DO NOT WRITE IN THIS MARGIN

..................................................................................................................................... [1]

(b) A 15 W lamp is switched on for 5.0 minutes.

Calculate the electrical work done in the lamp circuit during this time.

electrical energy supplied = ...................................................... J [4]

DO NOT WRITE IN THIS MARGIN

DO NOT WRITE IN THIS MARGIN

ĬÑĊ®Ġ´íÈõÏĪÅĊàû¶þ×
© UCLES 2024 ĬËúùØĪĤĄÒùøÀîïâäðĂ
ĥąµÕµµąõåąµÅŵåĕÕÕ
0625/31/O/N/24
 * 0000800000007 *
DO NOT WRITE IN THIS MARGIN

7
,










,

(c) The lamp uses electrical energy that is generated by a wind turbine.
Fig. 4.2 shows a wind turbine.

turbine blades
DO NOT WRITE IN THIS MARGIN

Fig. 4.2

Describe three energy transfers that take place when energy from the Sun causes electrical
energy to be generated by the wind turbine.
DO NOT WRITE IN THIS MARGIN

...................................................................................................................................................

...................................................................................................................................................

............................................................................................................................................. [3]

[Total: 9]
DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN

ĬÓĊ®Ġ´íÈõÏĪÅĊàù¶þ×
© UCLES 2024 ĬËùúÐĠĠôçÿĉĉêćöäĀĂ
ĥąÅĕõÕĥĕµõĥÅÅÕÅÕÅÕ
0625/31/O/N/24 [Turn over
 * 0000800000008 *

DO NOT WRITE IN THIS MARGIN

8
,










,

5 Fig. 5.1 shows a metal box. The air in the box is at room temperature, 20 °C.
Air cannot leave or enter the box.

metal box

Fig. 5.1

DO NOT WRITE IN THIS MARGIN

(a) Describe the motion, separation and arrangement of the air particles in the metal box.

...................................................................................................................................................

...................................................................................................................................................

............................................................................................................................................. [3]

(b) A student puts the box in a freezer. The temperature of the air in the box decreases.

Describe the changes in the motion of the air particles in the box when the temperature

DO NOT WRITE IN THIS MARGIN

decreases.

...................................................................................................................................................

............................................................................................................................................. [2]

[Total: 5]

DO NOT WRITE IN THIS MARGIN

DO NOT WRITE IN THIS MARGIN

ĬÑĊ®Ġ´íÈõÏĪÅĊÞû¶Ā×
© UCLES 2024 ĬËùûÐĦĎõÔāĂĂČëØ´øĂ
ĥµĕĕµÕĥµÕÕĕÅąÕĥÕÕÕ
0625/31/O/N/24
 * 0000800000009 *
DO NOT WRITE IN THIS MARGIN

9
,










,

6 Fig. 6.1 shows some students near some rocky cliffs looking at a boat at sea. The students watch
a firework display on the boat. One of the fireworks bursts and makes a loud sound.

a firework
bursting in
air
rocky cliffs

students
DO NOT WRITE IN THIS MARGIN

boat
beach

Fig. 6.1 (not to scale)

(a) The students hear a loud sound from the firework and then they hear a quieter, similar sound.

State what causes the second quieter, similar sound.

............................................................................................................................................. [1]
DO NOT WRITE IN THIS MARGIN

(b) The time from when the students see the firework burst to when they hear the first, loud
sound is 1.3 s.

Calculate the distance from the firework to the students.

Use the speed of sound in air = 340 m / s.

DO NOT WRITE IN THIS MARGIN

distance to firework = ..................................................... m [3]

[Total: 4]
DO NOT WRITE IN THIS MARGIN

ĬÓĊ®Ġ´íÈõÏĪÅĊÞù¶Ā×
© UCLES 2024 ĬËúüØĤĒąå÷ïÇÐÓĄ´ĈĂ
ĥµĥÕõµąÕÅåÅÅąµąĕÅÕ
0625/31/O/N/24 [Turn over
 * 0000800000002 *

DO NOT WRITE IN THIS MARGIN

2
,










,

1 In this experiment, you will investigate the period of a pendulum.

Refer to Fig. 1.1 and Fig. 1.2.

support support

DO NOT WRITE IN THIS MARGIN

x
bob

floor
one complete
oscillation

Fig. 1.1 Fig. 1.2

A pendulum has been set up for you as shown in Fig. 1.1. Do not change the height of the support.

DO NOT WRITE IN THIS MARGIN

(a) • Adjust the length of the pendulum until the distance d measured from the bottom of the
support to the centre of the bob is 90.0 cm.
• Displace the bob slightly and release it so that it swings. Fig. 1.2 shows one complete
oscillation of the pendulum.
• Measure, and record in Table 1.1, the time t for 10 complete oscillations.
• Calculate, and record in Table 1.1, the period T of the pendulum. The period is the time
for one complete oscillation.
• Calculate T 2 and record in Table 1.1. [2]

Table 1.1

d / cm t/s T/s T 2 / s2

DO NOT WRITE IN THIS MARGIN

90.0

45.0

(b) Repeat the procedure in (a) using a distance d = 45.0 cm. [3]

(c) Explain why timing 10 oscillations gives a more accurate result for the period T than timing
1 oscillation.

...................................................................................................................................................

............................................................................................................................................. [1]
DO NOT WRITE IN THIS MARGIN

ĬÕú¾Ġ´íÈõÏĪÅĊÞú¸þ×
© UCLES 2024 Ĭ¾óóÛĞěĉæõĆċĂġïĊïĂ
ĥĥÅÕõµåÕąĥĕÅąÕĥÕµÕ
0625/51/O/N/24
 * 0000800000003 *
DO NOT WRITE IN THIS MARGIN

3
,










,

(d) Describe one technique that you use to improve accuracy when measuring the distance d.

You may draw a diagram to help your description.

DO NOT WRITE IN THIS MARGIN

...................................................................................................................................................

............................................................................................................................................. [1]

(e) Describe one technique that you use to improve accuracy when measuring the time t for
10 oscillations.

...................................................................................................................................................

...................................................................................................................................................
DO NOT WRITE IN THIS MARGIN

............................................................................................................................................. [1]

(f) Measure the distance x between the bottom of the support and the floor. Give your answer to
the nearest cm.

x = ................................................... cm [1]

(g) A student plans to plot a graph of T 2 against d. Suggest suitable values of d that the student
can use to obtain measurements that are sufficient for this task.

...................................................................................................................................................
DO NOT WRITE IN THIS MARGIN

............................................................................................................................................. [2]

[Total: 11]
DO NOT WRITE IN THIS MARGIN

Ĭ×ú¾Ġ´íÈõÏĪÅĊÞü¸þ×
© UCLES 2024 Ĭ¾ôôÓĬėùÓăû¾ÖęëĊÿĂ
ĥĥµĕµÕŵĕĕÅÅąµąĕåÕ
0625/51/O/N/24 [Turn over
 * 0000800000004 *

DO NOT WRITE IN THIS MARGIN

4
,










,

2 In this experiment, you will investigate the cooling of water in a metal can.

Refer to Fig. 2.1.

thermometer

DO NOT WRITE IN THIS MARGIN

metal can
bench

Fig. 2.1

(a) Use the thermometer to measure room temperature θ R.

θ R = .......................................................... [1]

(b) (i) Pour 200 cm3 of hot water into the metal can. Place the thermometer in the hot water in

DO NOT WRITE IN THIS MARGIN

the can.

Record in Table 2.1 the temperature θ of the hot water at time t = 0. Immediately start the
stop‑watch.

Continue recording the temperature in Table 2.1 at 30 s intervals until you have seven
sets of readings. [2]

(ii) Complete the column headings in Table 2.1.

Table 2.1

DO NOT WRITE IN THIS MARGIN

t/ θ/
0
0.5
1.0
1.5
2.0
2.5
3.0
DO NOT WRITE IN THIS MARGIN

[1]

ĬÕú¾Ġ´íÈõÏĪÅĊàú¸Ā×
© UCLES 2024 Ĭ¾ôñÓĢĥðèýôÅøµĉĚ÷Ă
ĥÕĥĕõÕÅĕõµµÅŵåĕµÕ
0625/51/O/N/24
 * 0000800000005 *
DO NOT WRITE IN THIS MARGIN

5
,










,

(c) Plot a graph of temperature θ (y‑axis) against time t (x‑axis). Label your axes appropriately.

You do not need to start the y‑axis at 0. Draw the best‑fit curve.
DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN

[4]

(d) A student states that the average rate of cooling of the water decreases as the temperature of
DO NOT WRITE IN THIS MARGIN

the water approaches room temperature.

State whether your graph line supports this suggestion. Explain your answer by reference to
the shape of the graph line.

statement ..................................................................................................................................

...................................................................................................................................................

explanation ...............................................................................................................................

...................................................................................................................................................
DO NOT WRITE IN THIS MARGIN

............................................................................................................................................. [2]

Ĭ×ú¾Ġ´íÈõÏĪÅĊàü¸Ā×
© UCLES 2024 Ĭ¾óòÛĨĩĀÑûýĄä½ÍĚćĂ
ĥÕĕÕµµåõĥÅĥÅÅÕÅÕåÕ
0625/51/O/N/24 [Turn over
 * 0000800000006 *

DO NOT WRITE IN THIS MARGIN

6
,










,

(e) Explain why it is good practice to read the thermometer scale at right angles to the reading.

...................................................................................................................................................

............................................................................................................................................. [1]

[Total: 11]

DO NOT WRITE IN THIS MARGIN

DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN
DO NOT WRITE IN THIS MARGIN

ĬÙú¾Ġ´íÈõÏĪÅĊÝüµþ×
© UCLES 2024 Ĭ¾ôòØĞāĆÙððùĵ°²÷Ă
ĥąµÕµĕåÕååÅÅąÕĥĕõÕ
0625/51/O/N/24