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1

The diagram shows four identical spheres placed between two wooden blocks on a ruler. cm wooden block sphere What is the diameter of one sphere?

3. Waves  →  3.2.2. Refraction of light

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2

What does the area under a speed-time graph represent?

1. Motion, forces and energy  →  1.2. Motion

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3

A car travels 100 km. The journey takes two hours. The highest speed of the car is 80 km / h, and the lowest speed is 40 km / h. What is the average speed for the journey?

1. Motion, forces and energy  →  1.2. Motion

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4

The diagram shows a uniform beam being used as a balance. The beam is pivoted at its centre. A 1.0 N weight is attached to one end of the beam. An empty pan weighing 0.2 N is attached to the other end of the beam. 1.0 N beam pan (0.2 N) pivot How many 0.1 N weights must be placed on the pan in order to balance the beam?

1. Motion, forces and energy  →  1.5.2. Turning effect of forces

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

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5

A metal block has the dimensions shown...

1. Motion, forces and energy  →  1.4. Density

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

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6

The diagrams show four identical objects. Each object is acted on by only the three forces shown...

1. Motion, forces and energy  →  1.2. Motion

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

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7

Different weights are hung from a spring. The diagram shows the original length of the spring, and the lengths when different weights are added. 20 N W 15 cm 25 cm 35 cm The extension of the spring is directly proportional to the weight hung from it. What is the weight of W?

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

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

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8

Which source of energy involves the splitting of heavy atoms?

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

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9

A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X Y hill Which energy changes have taken place between X and Y?

1. Motion, forces and energy  →  1.7.1. Energy

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10

The diagram shows a stone suspended under the surface of a liquid from a string. The stone experiences a pressure caused by the liquid. liquid string stone What would increase the pressure on the stone?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

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11

The diagram shows a simple mercury barometer, used to measure atmospheric pressure. mercury P L Atmospheric pressure decreases. Which row states what happens to the pressure at point P and what happens to the level L?

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

Puddles of rain water remain after a storm. The water in the puddles gradually evaporates. How does the evaporation affect the temperature of the water remaining in the puddle, and how does it affect the average speed of the remaining water molecules in the puddle?

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

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13

The diagram represents moving gas molecules in a sealed container of fixed volume. container gas molecule The temperature of the gas is now increased. What happens to the pressure of the gas, and what happens to the speed of the gas molecules?

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

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14

The thermometer in the diagram has no scale. bulb stem Where must the bulb be placed so that 0 °C can be marked on the stem?

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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15

Two metal blocks X and Y are at room temperature. Each block is heated so that its temperature rises by 10 °C. The blocks are now allowed to cool back to room temperature. Block Y has a greater thermal capacity than block X. Which block needs more thermal energy to heat it up by 10 °C and which block loses more thermal energy as it cools back to room temperature?

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

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

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16

The diagram shows a vacuum flask used to keep liquid hot. vacuum hot liquid How does thermal energy pass through the vacuum?

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

2. Thermal physics  →  2.3.2. Convection

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17

A cupboard is placed in front of a heater. Air can move through a gap under the cupboard. wall floor heater cupboard air moves through gap Which row describes the temperature, and the direction of movement, of the air in the gap?

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

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

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

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18

The diagrams show two water waves P and Q that are travelling at the same speed on the surface of a pond. The diagrams are to the same scale. P Q Which wave has the greater amplitude and which wave has the greater frequency?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.4. Sound

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19

The diagrams represent water waves in a tank. Which diagram represents a wave that changes speed?

3. Waves  →  3.1. General properties of waves

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20

An object is placed in front of a thin converging lens. The diagram shows the paths of two rays from the top of the object. object converging lens An image of the object is formed on a screen to the right of the lens. How does this image compare with the object?

3. Waves  →  3.2.3. Thin lenses

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21

Radiation from the Sun is dispersed by a prism. The prism does not absorb any of the radiation. Four identical thermometers are placed, one at each of the labelled positions. In which position does the thermometer show the greatest rise in temperature?

2. Thermal physics  →  2.3.3. Radiation

3. Waves  →  3.2.4. Dispersion of light

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22

A scientist tries to direct a ray of light in a glass block so that no light escapes from the top of the block. However, some light does escape. X glass block ray of light top of block light escaping from top of block The scientist changes angle X and stops the light escaping from the top. Which row in the table describes the change to angle X and the name of the effect produced?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

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23

A quiet sound is produced by a loudspeaker. The loudness of the sound is increased. Which property of the sound wave is increased?

3. Waves  →  3.4. Sound

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24

A man holding a starting pistol stands 640 m away from a spectator. 640 m spectator The spectator hears the sound of the starting pistol 2.0 s after seeing the flash from the pistol. Using this information, what is the speed of sound in air?

3. Waves  →  3.4. Sound

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25

Which group contains only non-ferrous metals?

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

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26

An electromagnet with a soft-iron core is connected to a battery and an open switch. The soft-iron core is just above some small soft-iron nails. electromagnet soft-iron core soft-iron nails The switch is now closed, left closed for a few seconds, and then opened. What do the soft-iron nails do as the switch is closed, and what do they do when the switch is then opened?

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

4. Electricity and magnetism  →  4.5.6. The transformer

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27

A student has wires of different lengths and different diameters. The wires are all made of the same metal. The student measures the resistance of one wire. Which wire has a greater resistance than the wire he has measured?

4. Electricity and magnetism  →  4.2.4. Resistance

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28

The circuit diagram shows a 4.0 Ω resistor and an 8.0 Ω resistor connected to a 6.0 V battery. 8.0 Ω 4.0 Ω 6.0 V What is the potential difference (p.d.) across the 4.0 Ω resistor?

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

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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29

Diagram 1 shows two thin, uncharged strips of plastic. Diagram 2 shows the same strips after they have been rubbed with a dry cloth. diagram 1 diagram 2 strips of plastic Which row describes the charge on the strips after rubbing, and the force between the strips after rubbing?

4. Electricity and magnetism  →  4.2.1. Electric charge

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30

The diagram shows a circuit which includes an uncharged capacitor and a switch. X Y switch capacitor The switch can be moved between position X and position Y. What happens to the capacitor when the switch is moved to position X, and what happens when the switch is then moved to position Y?

4. Electricity and magnetism  →  4.4. Electrical safety

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

4. Electricity and magnetism  →  4.2.1. Electric charge

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31

Two 5.0 Ω resistors are connected as shown...

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

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32

The diagram shows a 10 Ω resistor and a 20 Ω resistor connected in a potential divider circuit. V 10 Ω 20 Ω 12.0 V What is the reading on the voltmeter?

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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33

In the circuit shown...

4. Electricity and magnetism  →  4.4. Electrical safety

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34

An e.m.f. is induced across a wire when it moves through the magnetic field between the poles of a magnet. Which electrical device operates because of this effect?

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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35

The diagram shows a flat, rectangular coil placed between the poles of a magnet. There is a current in the coil that makes it turn in the direction shown...

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

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

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36

A transformer has 1000 turns on its primary coil. An input voltage of 12 V is applied to the primary coil, and an output voltage of 120 V is induced across the secondary coil. primary coil 1000 turns secondary coil input voltage 12 V output voltage 120 V How many turns are on the secondary coil of the transformer?

4. Electricity and magnetism  →  4.5.6. The transformer

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37

The diagram shows a cathode-ray tube. heated cathode cold anode power supply vacuum The tube is not working properly. Which change should be made so that the tube works properly to produce a continuous beam of cathode rays?

4. Electricity and magnetism  →  4.5.6. The transformer

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38

Which statement about α-radiation is correct?

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

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39

A radioactive source produces a count rate on a detector of 1600 counts / s. After 32 hours the count rate has fallen to 100 counts / s. Both count rates have been corrected for background radiation. What is the half-life of the source?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

5. Nuclear physics  →  5.2.4. Half-life

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40

A nuclide has the symbol Ne . What is the proton number of a nucleus of this nuclide?

5. Nuclear physics  →  5.1.2. The nucleus

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