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1

A stopwatch is used to time an athlete running 100 m. The timekeeper forgets to reset the watch to zero before using it to time another athlete running 100 m. seconds seconds stopwatch at end of first athlete’s run stopwatch at end of second athlete’s run How long does the second athlete take to run 100 m?

1. Motion, forces and energy  →  1.2. Motion

1. Motion, forces and energy  →  1.1. Physical quantities and measurement techniques

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2

A ball is thrown upwards. What effect does the force of gravity have on the ball?

1. Motion, forces and energy  →  1.2. Motion

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

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3

A car accelerates from traffic lights. The graph shows the car’s speed plotted against time. time / s speed m / s How far does the car travel before it reaches a constant speed?

1. Motion, forces and energy  →  1.2. Motion

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4

Which property of a body can be measured in newtons?

1. Motion, forces and energy  →  1.4. Density

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

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5

A cup contains hot liquid. Some of the liquid evaporates as it cools. What happens to the mass and to the weight of the liquid in the cup as it cools?

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

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

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6

The diagrams show a rectangular box with inside measurements of 5 cm × 6 cm × 4 cm. 4 cm 5 cm 6 cm liquid total mass = 220 g mass = 40 g The box has a mass of 40 g when empty. When filled with a liquid, it has a total mass of 220 g. What is the density of the liquid?

1. Motion, forces and energy  →  1.4. Density

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7

Passengers are not allowed to stand on the upper deck of double-decker buses. upper deck lower deck Why is this?

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

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8

The object in the diagram is acted upon by the two forces shown...

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

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9

The diagram shows a microphone being used in an interview. microphone Which energy change takes place in the microphone?

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

1. Motion, forces and energy  →  1.7.1. Energy

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

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10

The table shows the times taken for four children to run up a set of stairs. Which child’s power is greatest?

1. Motion, forces and energy  →  1.7.4. Power

1. Motion, forces and energy  →  1.2. Motion

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11

A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of h cm of water. gas supply h cm Why is it better to use water rather than mercury in this manometer?

1. Motion, forces and energy  →  1.8. Pressure

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12

The diagrams show two swimming pools. One contains fresh water and the other contains salt water. Salt water is more dense than fresh water. At which labelled point is the pressure the greatest?

1. Motion, forces and energy  →  1.8. Pressure

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13

Brownian motion is observed by looking at smoke particles through a microscope. How do the smoke particles move in Brownian motion?

2. Thermal physics  →  2.1.2. Particle model

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14

A small amount of air is introduced into the vacuum above the mercury in a mercury barometer tube. The mercury level goes down. Why does the mercury level go down?

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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15

To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point?

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

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

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16

The table gives the melting points and boiling points of glycerine and benzene. melting point boiling point glycerine 18 °C 290 °C benzene 5.4 °C 80 °C At which temperature will both glycerine and benzene be liquid?

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

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17

A beaker contains water at room temperature. X Y water How could a convection current be set up in the water?

2. Thermal physics  →  2.3.2. Convection

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

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18

A student warms her hands near a fire. Which waves carry most heat to her hands and are these waves electromagnetic?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.3. Electromagnetic spectrum

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19

The drawing shows a wave. Which labelled distance is the wavelength?

3. Waves  →  3.1. General properties of waves

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20

Sound waves travel from a point X to another point Y. X Y Which diagram represents the movement of the air molecules, caused by the sound waves, in the region between X and Y. X Y D C B A

3. Waves  →  3.4. Sound

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21

A ray of light in glass is incident on a boundary with air. Which path does the ray of light take when the angle of incidence i is less than the critical angle?

3. Waves  →  3.2.2. Refraction of light

3. Waves  →  3.2.1. Reflection of light

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22

An object O is placed in front of a converging lens of focal length f. At which point will the top of the image be seen?

3. Waves  →  3.2.3. Thin lenses

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23

Which range of frequencies typically can be heard by a 10 year-old child?

3. Waves  →  3.4. Sound

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24

Astronaut 1 uses a hammer to mend a satellite in space. Astronaut 2 is nearby. There is no air in space. astronaut 1 astronaut 2 hammer Compared with the sound heard if they were working on Earth, what does astronaut 2 hear?

3. Waves  →  3.4. Sound

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25

A permanent magnet is brought near to a piece of copper. The copper is not attracted by the magnet. Why is there no attraction?

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

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26

Four plotting compasses are placed in the magnetic field of two identical bar magnets as shown...

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

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27

A pupil measures the potential difference across a device and the current in it. Which calculation gives the resistance of the device?

4. Electricity and magnetism  →  4.2.3. Electromotive force and potential difference

4. Electricity and magnetism  →  4.2.2. Electric current

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28

A student uses a length of wire as a resistor. He discovers that the resistance of the wire is too small. To be certain of making a resistor of higher value, he should use a piece of wire that is A longer and thicker. B longer and thinner. C shorter and thicker. D shorter and thinner.

4. Electricity and magnetism  →  4.2.4. Resistance

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29

The diagram shows a battery connected to two identical resistors. Three ammeters M1, M2 and M3 are connected in the circuit. M1 M2 M3 A A A Meter M1 reads 1.0 A. What are the readings on M2 and on M3?

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

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

4. Electricity and magnetism  →  4.2.2. Electric current

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30

The diagram shows a torch containing two cells, a switch and a lamp. plastic case brass connecting strip switch lamp What 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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31

An electrical component X is placed in water, as shown...

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

4. Electricity and magnetism  →  4.2.4. Resistance

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32

A certain electrical appliance is powered from a mains supply. The appliance normally uses a current of 3 A, but the current briefly rises to 4 A at the instant the appliance is switched on. The cable to the appliance is designed for currents up to 6 A. The fuses available to protect the cable are rated at 1 A, 3 A, 5 A and 13 A. Which fuse should be used?

4. Electricity and magnetism  →  4.4. Electrical safety

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33

On a building site, metal scaffolding is firmly embedded in the damp ground. A builder holds a mains-operated electric drill in one hand. With his other hand he holds on to the scaffolding. The power cable of the drill is damaged where it enters the metal casing of the drill. What danger does this present to the builder?

4. Electricity and magnetism  →  4.4. Electrical safety

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

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34

Which device is designed to allow a small direct current (d.c.) to control a large direct current (d.c.)?

4. Electricity and magnetism  →  4.2.2. Electric current

4. Electricity and magnetism  →  4.5.5. The d.c. motor

4. Electricity and magnetism  →  4.5.2. The a.c. generator

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35

A transformer is to be used to provide a 10 V output from a 100 V supply. 10 V 100 V primary coil secondary coil What are suitable numbers of turns for the primary coil and for the secondary coil?

4. Electricity and magnetism  →  4.5.6. The transformer

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36

The diagram shows a beam of cathode rays entering an electric field. – + beam In which direction is the beam deflected by the field?

4. Electricity and magnetism  →  4.2.1. Electric charge

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

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37

To create cathode rays in a vacuum, what might be a suitable potential difference to connect between the cathode and anode?

4. Electricity and magnetism  →  4.2.3. Electromotive force and potential difference

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38

Which statement explains the meaning of the half-life of a radioactive substance?

5. Nuclear physics  →  5.2.4. Half-life

5. Nuclear physics  →  5.2.3. Radioactive decay

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39

The diagram shows the paths of three different types of radiation, X, Y and Z. X Y Z 2 mm of plastic 10 mm of aluminium lead Which row in the table correctly identifies X, Y and Z?

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

5. Nuclear physics  →  5.2.3. Radioactive decay

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40

How many neutrons and how many protons are contained in a nucleus of U ?

5. Nuclear physics  →  5.1.2. The nucleus

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