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1

A stopwatch is used to time a runner in a race. The diagrams show the stopwatch at the start and at the end of a lap of the race. start of lap end of lap 0 : 50 : 10 1 : 40 : 10 How long did the runner take to finish the lap of the race?

1. Motion, forces and energy  →  1.2. Motion

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2

The graph shows how the speed of a car changes with time. speed U V W X Y time Between which two times is the car stationary?

1. Motion, forces and energy  →  1.2. Motion

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3

An aeroplane flies from town X to town Z, stopping for 1 hour at town Y to pick up more passengers. The distances between the towns are shown...

1. Motion, forces and energy  →  1.2. Motion

3. Waves  →  3.4. Sound

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4

The mass of an astronaut is 70 kg on the Moon. What is the mass of the astronaut on the Earth?

1. Motion, forces and energy  →  1.3. Mass and weight

1. Motion, forces and energy  →  1.2. Motion

6. Space physics  →  6.1.2. The Solar System

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5

The weight of an object is found using the balance shown...

1. Motion, forces and energy  →  1.3. Mass and weight

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6

Diagram 1 shows an empty measuring cylinder on a balance. Diagram 2 shows the same measuring cylinder on the balance, but it now contains a liquid. cm3 diagram 1 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 g cm3 diagram 2 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 g What is the density of the liquid?

1. Motion, forces and energy  →  1.4. Density

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7

In which situation is no resultant force needed?

1. Motion, forces and energy  →  1.5.1. Effects of forces

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8

The diagram shows a uniform, flat metal sheet hanging freely from a nail at point A. A weight also hangs freely on a string tied to A. One of the labelled points is at the centre of mass of the metal sheet. Which point is at the centre of mass?

1. Motion, forces and energy  →  1.5.3. Centre of gravity

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9

When a bicycle lamp is switched on, what is the useful energy change within the battery?

4. Electricity and magnetism  →  4.2.5. Electrical energy and electrical power

1. Motion, forces and energy  →  1.7.3. Energy resources

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10

A student does some work by pulling a suitcase along a corridor. She now pulls a second suitcase along the corridor. Which row indicates that the student is now doing twice as much work?

1. Motion, forces and energy  →  1.5.1. Effects of forces

1. Motion, forces and energy  →  1.7.2. Work

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11

The scale diagram shows three identical blocks, P, Q and R. The blocks have different areas of contact with the ground. P Q R Which block exerts the greatest pressure on the ground?

1. Motion, forces and energy  →  1.8. Pressure

2. Thermal physics  →  2.1.3. Gases and the absolute scale of temperature

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12

A manometer is used to measure the pressure of the air in a container. h connection to container manometer liquid Which change would give a bigger value of height h ?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

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13

The volume of a gas in a sealed syringe is increased. The temperature of the gas does not change. before change after change After this change is made, what has happened to the gas molecules in the syringe?

2. Thermal physics  →  2.1.3. Gases and the absolute scale of temperature

2. Thermal physics  →  2.2.1. Thermal expansion of solids, liquids and gases

2. Thermal physics  →  2.2.3. Melting, boiling and evaporation

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14

Some liquid is poured into a metal dish on a wooden table. The dish, the liquid, the table and the air around the dish are all at the same temperature. metal dish liquid wooden table The temperature of the liquid now starts to decrease. What could cause this temperature decrease?

2. Thermal physics  →  2.2.3. Melting, boiling and evaporation

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15

The diagram shows four labelled changes of state between solid, liquid and gas. solid liquid gas P S Q R Which changes need an energy input?

2. Thermal physics  →  2.2.3. Melting, boiling and evaporation

2. Thermal physics  →  2.1.1. States of matter

1. Motion, forces and energy  →  1.7.1. Energy

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16

Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. The temperature of both liquids increases by the same amount. liquid 1 liquid 2 heating time = 100 s heating time = 200 s heaters of same power different liquids of same mass Which statement is correct?

2. Thermal physics  →  2.2.2. Specific heat capacity

2. Thermal physics  →  2.2.3. Melting, boiling and evaporation

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17

Two methods by which thermal energy can be transferred are conduction and radiation. Which statement is correct?

2. Thermal physics  →  2.3.3. Radiation

2. Thermal physics  →  2.3.4. Consequences of thermal energy transfer

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18

A heater is to be fitted in a room to warm the air throughout the room. The diagram shows two possible positions to fit the heater, P and Q. position P position Q room Which position is better and why?

2. Thermal physics  →  2.3.4. Consequences of thermal energy transfer

2. Thermal physics  →  2.2.1. Thermal expansion of solids, liquids and gases

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19

The diagram shows four waves drawn to the same scale. P distance Q distance R distance S distance displacement displacement displacement displacement Which statement is correct?

3. Waves  →  3.1. General properties of waves

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20

Waves travel more quickly on the surface of water when the water is deep. A stone is dropped at point X into a pool of varying depth. The diagram shows the first wavefront on the surface of the pool. The region between X and which labelled point is likely to be the deepest?

3. Waves  →  3.1. General properties of waves

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21

An intruder alarm sensor detects that a human is warmer than his surroundings. Which type of electromagnetic wave does the sensor detect?

3. Waves  →  3.3. Electromagnetic spectrum

2. Thermal physics  →  2.3.3. Radiation

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22

Which waves are longitudinal?

3. Waves  →  3.4. Sound

3. Waves  →  3.1. General properties of waves

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23

An object is placed in front of a converging lens. The lens has a focal length f. In which labelled position should the object be placed in order to produce a real image of the object that is smaller than the object?

3. Waves  →  3.2.3. Thin lenses

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24

Three vibrating objects P, Q and R produce waves in the air of different frequencies as shown...

3. Waves  →  3.4. Sound

3. Waves  →  3.1. General properties of waves

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25

In an experiment to measure the speed of sound, a student uses a stopwatch to find the time taken for a sound wave to travel from X to Y. She does this six times. sound travels from X to Y X Y The table shows her results. measurement time / s first 0.5 second 0.7 third 0.6 fourth 0.4 fifth 0.9 sixth 0.5 Which value for the time should be used to calculate the speed of sound?

3. Waves  →  3.4. Sound

1. Motion, forces and energy  →  1.2. Motion

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26

The ends of three metal rods are tested by holding end Q of rod 1 close to the others in turn. rod 1 rod 2 rod 3 Q R S T U The results are as follows. End Q: attracts end R, attracts end S, attracts end T, repels end U. Which of the metal rods is a magnet?

4. Electricity and magnetism  →  4.1. Simple phenomena of magnetism

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27

The diagram shows two bar magnets, stored with metal keepers across the ends. The keepers help to keep the magnets magnetised. magnet magnet keeper keeper The material used for the keepers becomes strongly magnetised when placed in contact with the magnets, but does not remain magnetised when taken away from the magnets. What is a suitable metal to use for the magnets and what is a suitable metal to use for the keepers?

4. Electricity and magnetism  →  4.1. Simple phenomena of magnetism

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28

Four wires are made from the same material. Which wire has the least resistance?

4. Electricity and magnetism  →  4.2.4. Resistance

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29

A 30 Ω resistor is connected in series with another resistor and a 6.0 V battery. The current in the circuit is 0.12 A. A voltmeter is connected across the other resistor. 30 Ω V 0.12 A 6.0 V What is the reading on the voltmeter?

4. Electricity and magnetism  →  4.3.2. Series and parallel circuits

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30

A circuit contains four ammeters A, B, C and D, and three resistors with different values. Which ammeter shows the largest reading?

4. Electricity and magnetism  →  4.2.2. Electric current

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.3.2. Series and parallel circuits

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31

The diagram shows a torch containing two cells, a switch and a lamp. plastic case brass connecting strip switch lamp cells Which is the circuit diagram for the torch?

4. Electricity and magnetism  →  4.3.1. Circuit diagrams and circuit components

4. Electricity and magnetism  →  4.2.4. Resistance

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32

The diagram shows a circuit with a fixed resistor connected in series with a light-dependent resistor (LDR). A voltmeter is connected across the LDR. V A bright lamp shines light onto the LDR. The lamp is then switched off and this causes the voltmeter reading to change. Which row shows the change in the resistance of the LDR and the change in the voltmeter reading when the lamp is switched off?

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.3.3. Action and use of circuit components

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33

The current in an electrical heater is 5.0 A. The heater is connected to the mains by a flexible cable that can carry a current of up to 15 A. The mains circuit can carry a current of up to 30 A. Different fuses are available for the heater. Which fuse is the most suitable?

4. Electricity and magnetism  →  4.4. Electrical safety

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34

The diagram shows a thin copper wire in a magnetic field. The current in the wire is from right to left. This causes an upward force on the wire. force on wire current The direction of the current and the direction of the magnetic field are both reversed. In which direction does the force act on the wire, after these changes are made?

4. Electricity and magnetism  →  4.5.3. Magnetic effect of a current

4. Electricity and magnetism  →  4.5.4. Force on a current-carrying conductor

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35

A solenoid is connected to a very sensitive ammeter. A rod is inserted into one end of the solenoid. The ammeter shows that there is a small electric current in the circuit while the rod is moving. solenoid rod A Which rod is being inserted?

4. Electricity and magnetism  →  4.5.3. Magnetic effect of a current

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36

The diagram shows the structure of a transformer. primary coil core Which row shows a suitable material for the primary coil and a suitable material for the core?

4. Electricity and magnetism  →  4.5.6. The transformer

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37

In a cathode-ray tube, a hot tungsten cathode releases particles by thermionic emission. What are these particles?

5. Nuclear physics  →  5.2.2. The three types of nuclear emission

5. Nuclear physics  →  5.2.3. Radioactive decay

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38

A radioactive source emits three types of radiation R, S and T. The diagram shows an experiment set up to study the penetrating properties of R, S and T. paper few mm of aluminium few cm of lead R T S Which types of radiation are R, S and T?

5. Nuclear physics  →  5.2.2. The three types of nuclear emission

5. Nuclear physics  →  5.2.3. Radioactive decay

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39

The half-life of a radioactive substance is 10 minutes. A sample of the radioactive substance contains 2000 nuclei. How many radioactive nuclei were in the sample half an hour earlier?

5. Nuclear physics  →  5.2.4. Half-life

5. Nuclear physics  →  5.2.3. Radioactive decay

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40

Which statement about the nuclei of all atoms is correct?

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.1.1. The atom

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