IGCSE Physics 0625/13 Past Paper, Oct/Nov 2024

1

A student uses a ruler to find the volume of water in a tank. She measures the lengths EF and FG. What other length does she need to measure? A FJ B FK C HI D IJ

2

Which statement is correct? A $speed = distance travelled \times time taken$ B $speed = velocity in a given direction$ C $velocity = \frac{time taken}{distance travelled}$ D $velocity = speed in a given direction$

3

A stone falls freely from the top of a cliff. Air resistance may be ignored. Which graph shows how the acceleration of the stone varies with time as it falls?

4

Which statement about weight is correct? A It is a measure of the quantity of matter in an object. B It is the gravitational force on an object that has mass. C It is equivalent to the acceleration of free fall. D It is the gravitational force per unit mass.

5

A student uses the equation $ρ = \frac{m}{V}$ . Which row shows the correct meaning of these symbols?

	$ρ$	$m$	$V$
$A$	$density$	$mass$	$velocity$
$B$	$density$	$mass$	$volume$
$C$	$pressure$	$mass$	$volume$
$D$	$pressure$	$moment$	$velocity$

6

What is the point at which the weight of an object appears to act? A the centre of gravity of the object B the density of the object C the moment of a force about a point D the pressure on the object due to its depth

7

A spring is stretched by adding loads to it. Which diagram shows the extension–load graph for the spring?

8

The diagram shows a force of $12 N$ being used to push a box up a slope. The box is moved $8.0 m$ along the slope. This lifts the box through a vertical height of $2.5 m$ . How much work is done pushing the box from the bottom to the top of the slope? A $1.5 J$ B $4.8 J$ C $30 J$ D $96 J$

9

Which energy resource is non-renewable? A biofuel B energy from the Sun C nuclear fuel D water behind a dam

10

What is the relationship between the power of a motor, the force exerted by the motor, the distance moved by the force and the time taken? A $power = \frac{distance moved \times time taken}{force}$ B $power = force \times distance moved \times time taken$ C $power = \frac{force \times time taken}{distance moved}$ D $power = \frac{force \times distance moved}{time taken}$

11

How is pressure defined? A area per unit force B force per unit area C mass per unit area D mass per unit volume

12

A fixed mass of gas is trapped in a cylinder with a piston. The volume of the gas is slowly reduced at constant temperature without any particles of gas escaping. Which statement is correct? A The force exerted by the gas on the piston will decrease because the particles move more quickly. B The force exerted by the gas on the piston will decrease because the particles move more slowly. C The force exerted by the gas on the piston will increase because the particles are hitting the piston harder. D The force exerted by the gas on the piston will increase because the particles are hitting the piston more frequently.

13

The air temperature rises from $10^{\circ} C$ to $40^{\circ} C$ . What is the change in temperature, expressed in kelvin? A $30 K$ B $50 K$ C $243 K$ D $303 K$

14

Which effect is not due to thermal expansion? A convection currents in air B expansion of a bubble rising through a fizzy drink C expansion of a liquid in a thermometer D lengthening of overhead power lines in the summer

15

On a hot summer day, the level of the water in a pond falls. Which statement explains this? A The least energetic water particles escape from the surface and do not return. B The least energetic water particles escape from the surface and then return. C The most energetic water particles escape from the surface and do not return. D The most energetic water particles escape from the surface and then return.

16

The diagram shows a vacuum flask used to keep liquid hot. How does thermal energy pass through the vacuum? A conduction and convection only B conduction only C convection only D radiation only

17

The diagrams show two transverse waves X and Y and are to the same scale. Which row is correct?

	$wave with thelargest amplitude$ $	$wave with thelargest wavelength$ $
$A$	$X$	$X$
$B$	$X$	$Y$
$C$	$Y$	$X$
$D$	$Y$	$Y$

18

Which row shows an example of a transverse wave and an example of a longitudinal wave?

	$transverse$	$longitudinal$
$A$	$light$	$radio$
$B$	$radio$	$sound$
$C$	$sound$	$water$
$D$	$water$	$light$

19

A ray of light is reflected from a plane mirror. Which angle is the angle of reflection? A the angle between the incident ray and the normal B the angle between the incident ray and the reflected ray C the angle between the reflected ray and the normal D the angle between the reflected ray and the surface

20

A thin converging lens forms an image. What is the nature of this image and can it be formed on a screen?

	$nature of image$	$can be formedon a screen$ $
$A$	$virtual$	$no$
$B$	$virtual$	$yes$
$C$	$real$	$no$
$D$	$real$	$yes$

21

Which diagram shows the dispersion of white light by a prism?

22

Which row correctly compares microwaves and ultraviolet?

	$frequency of microwavescompared to ultraviolet$ $	$uses$
$A$	$higher$	$microwaves are used to heat waterand ultraviolet is used to sterilise water$ $
$B$	$higher$	$microwaves are used to sterilise waterand ultraviolet is used to heat water$ $
$C$	$lower$	$microwaves are used to heat waterand ultraviolet is used to sterilise water$ $
$D$	$lower$	$microwaves are used to sterilise waterand ultraviolet is used to heat water$ $

23

A pulse of sound is produced at the bottom of a boat. The sound travels through the water and is reflected from the seabed. The reflected sound reaches the boat $1.3 s$ after the sound was produced. The seabed is $1000 m$ below the boat. Using this information, what is the speed of sound in the water? A $770 m / s$ B $1300 m / s$ C $1500 m / s$ D $2600 m / s$

24

The diagram shows three small compasses near to a bar magnet. Which compasses show the direction of the magnetic field due to the bar magnet? A P and Q B P only C Q and R D Q only

25

A negatively charged rod is brought close to an isolated, uncharged metal sphere. What are the charges on sides P and Q of the sphere? A P and Q are both negatively charged. B P and Q are both positively charged. C P is negatively charged and Q is positively charged. D P is positively charged and Q is negatively charged.

26

The diagram shows a simple circuit. The ammeter reading is $2.0 A$ and the voltmeter reading is $6.0 V$ . What is the resistance of the wire? A $0.33 Ω$ B $3.0 Ω$ C $8.0 Ω$ D $12 Ω$

27

A lamp is rated $240 V$ , $0.40 A$ . The lamp operates at normal brightness for $1.0 min$ . How much energy does the lamp transfer? A $60 J$ B $96 J$ C $600 J$ D $5800 J$

28

The diagram shows a torch containing two cells, a switch and a lamp. Which circuit diagram is correct for the torch?

29

Which symbol represents a device that contains a current-carrying coil in a magnetic field?

30

The diagram shows a three-core cable connecting a three-pin socket to an electric fire with a metal frame. The earth, live and neutral connections of the socket are labelled E, L and N respectively. A switch is connected into the circuit. Where is a switch connected? A at either of P or R B at P only C at Q only D at R only

31

A student investigates electromagnetic induction. She moves the N pole of a magnet quickly towards a coil of wire. There is a reading on the sensitive voltmeter. What can she do to get a greater reading on the sensitive voltmeter? A Hold the bar magnet stationary inside the coil. B Move the bar magnet slowly away from the coil. C Use a coil of wire with fewer turns on it. D Use a stronger bar magnet.

32

The direction of the current in a straight wire X is into the paper. Which diagram shows the shape of the magnetic field pattern around the wire?

33

What does a step-up transformer increase? A current B energy C power D voltage

34

When measuring the emissions from a radioactive rock brought into the laboratory, a teacher mentions that background radiation must be taken into account. What is this background radiation? A ionising radiation in the laboratory when the radioactive rock is not present B ionising radiation from the radioactive rock brought into the laboratory C infrared radiation from the Sun D infrared radiation from warm objects in the laboratory

35

How do the ionising effect and the penetrating ability of $α$ -particles compare with those of $β$ -particles and $γ$ -rays?

	$ionisingeffect$ $	$penetratingability$ $
$A$	$higher$	$lower$
$B$	$higher$	$higher$
$C$	$lower$	$lower$
$D$	$lower$	$higher$

36

Half-life is ......1...... for the ......2...... a sample of a radioactive isotope to halve. Which words correctly complete gaps 1 and 2?

	$1$	$2$
$A$	$half of the time taken$	$nucleon number of$
$B$	$half of the time taken$	$number of nuclei in$
$C$	$the time taken$	$nucleon number of$
$D$	$the time taken$	$number of nuclei in$

37

Radioactive materials must be handled in a safe way. What is not a safety procedure? A storing radioactive materials in cardboard boxes B monitoring exposure time to radioactive materials C using tongs to pick up the radioactive source D wearing protective clothing

38

The Solar System contains eight major planets. What is the correct order of three of the major planets, starting with the planet furthest from the Sun? A $Mercury \to Venus \to Earth$ B $Neptune \to Jupiter \to Saturn$ C $Neptune \to Mars \to Earth$ D $Jupiter \to Saturn \to Uranus$

39

The diagram shows a radio signal from the Earth being reflected by Pluto and returning to the Earth. The distance between the Earth and Pluto is $0.00050 light-years$ . What is the time taken for the radio signal to return to the Earth after being sent? A $2000 years$ B $1000 years$ C $0.0010 years$ D $0.00050 years$

40

The Milky Way is a ......1...... made up of about a hundred ......2...... stars. Which words correctly complete gaps 1 and 2?

	$1$	$2$
$A$	$galaxy$	$billion$
$B$	$universe$	$billion$
$C$	$galaxy$	$thousand$
$D$	$universe$	$thousand$

IGCSE Physics 0625 Paper 13, Oct/Nov 2024

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