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1

A heavy nail is fixed firmly to a wall. It is pulled by a string at 40 to the vertical. The nail does not move. pull of string nail 40° Three forces act on the nail: its weight W, the tension T in the string, the force R exerted by the wall. Which diagram, drawn to scale, represents the three forces?

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

1. Motion, forces and energy  →  1.7.2. Work

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2

A car begins to move. It speeds up until it reaches a constant speed. It continues to travel at this constant speed for the rest of the journey. What happens to the acceleration and what happens to the velocity of the car during the journey?

1. Motion, forces and energy  →  1.2. Motion

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3

The speed–time graph for a car’s journey is shown...

1. Motion, forces and energy  →  1.2. Motion

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4

A car is travelling forwards at high speed. The brakes are applied and the car skids along the road surface. In which direction and where does the friction force act?

1. Motion, forces and energy  →  1.5.2. Friction

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5

A car of mass 800 kg has a forward acceleration of 2.5 m / s2. A frictional force of 1200 N opposes the motion of the car. What is the driving force due to the engine of the car?

1. Motion, forces and energy  →  1.5.2. Friction

1. Motion, forces and energy  →  1.7.2. Work

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6

A satellite orbits a planet in a circular path as shown...

6. Space physics  →  6.1.2. The Solar System

1. Motion, forces and energy  →  1.5.4. Circular motion

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7

A block is hung on a spring balance. The marker inside the balance is pulled down by the block. marker 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 What can the position of the marker be used to determine?

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

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8

There is an astronaut on a planet which has a gravitational field strength one fifth of the value on Earth. He hangs samples of rock from a spring balance designed for use on Earth. Each sample has a mass of 0.1 kg. The spring balance reads 1.0 kg. How many samples of rock are there?

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

6. Space physics  →  6.1.2. The Solar System

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9

An electrically charged plastic ball is at rest. Which types of field are caused by the ball?

4. Electricity and magnetism  →  4.2.1. Electrical charge

4. Electricity and magnetism  →  4.1. Simple magnetism and magnetic fields

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10

Which list contains only quantities that can be changed by a force?

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

1. Motion, forces and energy  →  1.5.3. Elastic deformation

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11

An extension–load graph is plotted for a spring. Which point marks the limit of proportionality for this spring?

1. Motion, forces and energy  →  1.5.3. Elastic deformation

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12

The diagram shows a diver 20 m below the surface of a lake. The total pressure at this depth is 3.0  105 Pa. surface of lake air bubble diver (not to scale) An air bubble has a volume of 0.60 cm3 as it leaves the diver. It rises to the surface of the lake where the pressure is 1.0  105 Pa. The temperature of the air in the bubble remains constant. What is the volume of the air bubble at the surface of the lake?

2. Thermal physics  →  2.1.2. Particle model

1. Motion, forces and energy  →  1.8. Pressure

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13

A ball is dropped from a height as shown...

1. Motion, forces and energy  →  1.7.1. Energy

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14

A student uses an average force of F to push a box a distance of d across a horizontal table. The mass of the box is m and the gravitational field strength is g. How is the work done by the student pushing the box calculated?

1. Motion, forces and energy  →  1.7.2. Work

6. Space physics  →  6.1.2. The Solar System

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

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15

A workman rolls a barrel of weight 2000 N up a plank of length 2.0 m and onto a lorry. The back of the lorry is 0.80 m above the horizontal surface of the road. 2.0 m 0.80 m What is the work done on the barrel against gravity?

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.2. Motion

1. Motion, forces and energy  →  1.7.5. Power

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16

What is power ?

1. Motion, forces and energy  →  1.7.5. Power

4. Electricity and magnetism  →  4.4.1. Uses of electricity

1. Motion, forces and energy  →  1.7.2. Work

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17

The diagram shows a glass tube filled with water and suspended above a bench. The water is free to circulate around the tube. At point P, there is a convection current moving in a downwards direction. At which point is the tube heated to cause this convection current?

2. Thermal physics  →  2.3.2. Convection

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

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

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18

Which physical property cannot be used for the measurement of temperature?

2. Thermal physics  →  2.2.2. Specific heat capacity

4. Electricity and magnetism  →  4.2.4. Resistance

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19

A student performs an experiment to find out how much energy is needed to change the temperature of a steel nail by 1.0 C. Which quantity is the student determining?

2. Thermal physics  →  2.2.2. Specific heat capacity

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20

A substance has a melting point of –17 C and a boiling point of 117 C. In which state does the substance exist at –10 C and at 110 C?

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

2. Thermal physics  →  2.1.1. States of matter

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21

Which description of a liquid is correct?

1. Motion, forces and energy  →  1.4. Density

2. Thermal physics  →  2.1.2. Particle model

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

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22

A mass of gas is trapped inside a cylinder by a moving piston. gas moving piston As the piston moves in, the volume of the gas decreases but the temperature stays the same. What happens to the gas pressure, and why?

2. Thermal physics  →  2.1.2. Particle model

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

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23

A plane mirror on a vertical wall forms an image of an object placed in front of it. Which characteristics describe the image?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.3. Thin lenses

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24

Which statement about light passing from air to glass is correct?

3. Waves  →  3.2.4. Dispersion of light

3. Waves  →  3.1. General properties of waves

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25

Applications use different components of the electromagnetic spectrum. Which shows correct applications for X-rays, ultraviolet light and microwaves?

3. Waves  →  3.3. Electromagnetic spectrum

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26

Where does sound travel the fastest?

3. Waves  →  3.4. Sound

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27

A scientific research boat uses pulses of ultrasound to detect fish underneath it. A pulse of ultrasound is bounced from a group of fish 6000 m directly below the boat. The next pulse is sent out 2.0 s after the echo from the previous pulse has been received. The speed of ultrasound in water is 1500 m / s. What is the interval between the two pulses?

3. Waves  →  3.4. Sound

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28

Which row correctly describes ultrasound?

3. Waves  →  3.4. Sound

3. Waves  →  3.1. General properties of waves

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29

What is stored in a battery and what is its unit?

4. Electricity and magnetism  →  4.4.1. Uses of electricity

1. Motion, forces and energy  →  1.7.1. Energy

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

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30

A car battery delivers 150 kC to a circuit before it needs recharging. Two headlamps connected in parallel to the battery are switched on. There is a current of 4.0 A in each lamp. How much time passes before the battery needs recharging?

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

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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31

Three identical lamps and three ammeters are connected as shown...

4. Electricity and magnetism  →  4.2.2. Electrical current

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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32

A thermistor and a light-dependent resistor (LDR) are connected in series. A potential difference (p.d.) of 6.0 V is applied across them as shown...

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

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

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33

A 240 V mains circuit contains eight 60 W lamps in parallel. At the time when the lamps are switched on, the filaments are cold and the current is four times as large as the final steady current in the circuit. What is the initial current supplied by the mains?

4. Electricity and magnetism  →  4.4.2. Electrical safety

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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34

What is used with a magnet to create an induced electromotive force (e.m.f.) in a simple a.c. generator?

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

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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35

What changes kinetic energy into electrical energy?

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

1. Motion, forces and energy  →  1.7.1. Energy

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36

A transformer has 4800 turns on its primary coil and 480 turns on its secondary coil. The primary coil is connected to a 240 V a.c. supply. The secondary coil is connected to a lamp. How does the output current in the lamp compare with the input current?

4. Electricity and magnetism  →  4.5.6. The transformer

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37

A cathode-ray oscilloscope with the Y-gain set at 2 V / division is connected to a generator. CRO to generator 1 division Which row describes the signal from the generator and its amplitude?

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

4. Electricity and magnetism  →  4.6. Uses of an oscilloscope

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38

A potential divider uses a power supply of voltage 12 V. The resistors X and Y initially have equal resistances. 12 V X Y output voltage The resistance of X is halved. What is the change in the output voltage?

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

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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39

What is the definition of the half-life of a radioactive element?

5. Nuclear physics  →  5.2.5. Half-life

5. Nuclear physics  →  5.2.3. Radioactive decay

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40

Which row shows the atomic structure of a neutral atom with a nucleon number of 9?

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.1.1. The atom

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