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1

The diagram shows part of a micrometer screw gauge. mm 1 2 What is the smallest reading that can be achieved using this micrometer screw gauge?

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2

An object falls in a gravitational field with air resistance. Which distance-time graph shows this motion?

1. Motion, forces and energy  →  1.2. Motion

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3

A boy runs 400 m at an average speed of 4.0 m / s. He runs the first 200 m in 40 s. How long does he take to run the second 200 m?

1. Motion, forces and energy  →  1.2. Motion

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4

A helium balloon is tied to a top-pan balance. A metal block of mass 100 g is placed on the balance. The reading on the balance is 91 g. 91 g metal block helium balloon Which statement can be deduced from this experiment?

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

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

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5

A student carries out experiments to find the mass and the volume of four samples of rock. The graph shows the results. mass / g volume / cm3 sample P sample Q sample R sample S Which pair are samples of the same type of rock?

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

1. Motion, forces and energy  →  1.4. Density

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6

An object accelerates from 10 m / s to 30 m / s in 4.0 seconds. The accelerating force is 150 N. What is the mass of the object?

1. Motion, forces and energy  →  1.2. Motion

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

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7

The diagram shows a uniform bar of length 120 cm and weight W. The bar is pivoted at a point 40 cm from the left end of the bar. A load of 2 W is suspended from the right-hand end of the bar. A downward force F is applied to the left-hand end of the bar to keep it in equilibrium. pivot bar F bar’s weight W W 40 cm 60 cm 120 cm What is the magnitude of force F ?

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

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

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8

An electron is moving at a speed of 5 × 106 m / s. A neutron is moving at a speed of 5 × 104 m / s. The mass of the electron is m. The mass of the neutron is 2000m. Which row is correct?

1. Motion, forces and energy  →  1.7.1. Energy

1. Motion, forces and energy  →  1.6. Momentum

5. Nuclear physics  →  5.1.2. The nucleus

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9

Which device is designed to convert chemical energy into kinetic energy?

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

1. Motion, forces and energy  →  1.7.1. Energy

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10

A barrel of mass 40 kg is raised to a height of 1.5 m by rolling it up a ramp. The length of the ramp is 8.0 m. The force F applied to the barrel acts parallel to the ramp. The frictional force is negligible. 1.5 m 8.0 m 40 kg F Which row is correct?

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

1. Motion, forces and energy  →  1.7.1. Energy

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11

What is the main process by which energy is produced in the Sun?

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

6. Space physics  →  6.2.1. The Sun as a star

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12

A manometer is used to measure the pressure of a gas supply. h connection to gas supply manometer liquid Which change gives a greater 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

A washbasin has an exit pipe covered with a plug of area 12 cm2. A chain is attached to the centre of the plug to assist in pulling the plug away from the exit hole. The washbasin contains water to a depth of 0.080 m. The density of the water is 1000 kg / m3. chain plug What is the force acting on the plug due to the water?

1. Motion, forces and energy  →  1.8. Pressure

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14

Diagram 1 shows apparatus being used to observe smoke particles. Diagram 2 shows how a smoke particle moves randomly. microscope air molecules and smoke particles light diagram 1 diagram 2 random movement eye Why do the smoke particles move randomly?

2. Thermal physics  →  2.1.2. Particle model

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15

A bubble of air has a volume of 2.0 cm3 at the bottom of a lake where the total pressure is 4.0 × 105 Pa. The temperature of the water in the lake is constant. The atmospheric pressure at the surface is 1.0 × 105 Pa. What is the volume of the bubble when it rises to the surface?

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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16

Which row shows the relative order of thermal expansion of solids, liquids and gases?

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

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17

A block of ice is at a temperature of –100 °C. Energy is supplied at a constant rate. The graph shows how its temperature changes. time –100 temperature / °C At which points has the ice completely changed state to water and all the water completely changed state to steam?

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

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

2. Thermal physics  →  2.3.3. Radiation

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18

The temperature of the water at the bottom of a waterfall is greater than the temperature of the water at the top. The gravitational potential energy of the water at the top is transferred to thermal energy at the bottom. The specific heat capacity of water is 4200 J / (kg °C). What is the temperature difference for a waterfall of height 21 m?

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

2. Thermal physics  →  2.2.2. Specific heat capacity

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19

One end of a shiny metal rod is heated and the other end quickly gets hot. Which statement describes why the other end quickly gets hot?

2. Thermal physics  →  2.3.1. Conduction

2. Thermal physics  →  2.3.3. Radiation

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20

Four different surfaces are at the same high temperature. Which surface will emit thermal radiation at the slowest rate?

2. Thermal physics  →  2.3.3. Radiation

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21

Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water. wave direction shallow water deep water boundary Which diagram shows the wave pattern in the deeper water?

3. Waves  →  3.1. General properties of waves

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22

An object is placed 8.0 cm from a thin converging lens of focal length 5.0 cm. 5.0 cm 8.0 cm converging lens F object Which statement about the image formed by the lens is correct?

3. Waves  →  3.2.3. Thin lenses

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23

Light travels through air and then enters and travels through a parallel-sided glass block. Which statement is correct?

3. Waves  →  3.2.2. Refraction of light

3. Waves  →  3.2.4. Dispersion of light

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24

Different parts of the electromagnetic spectrum are used for different purposes. Below are four statements about parts of the spectrum. statement 1: Infra-red waves are used in television remote controllers. statement 2: Radio waves are used to transmit television pictures from satellites to Earth. statement 3: Ultraviolet waves are used for intruder alarms. statement 4: X-rays are used for security checks. Which statements are correct?

3. Waves  →  3.3. Electromagnetic spectrum

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25

A sheet of ice floats on water. A source of sound S is positioned at the edge of the ice sheet. Four microphones are placed equal distances from S. Which microphone detects the sound from S first?

3. Waves  →  3.4. Sound

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26

Which diagram shows the pattern and the direction of the magnetic field lines around a bar magnet?

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

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27

A bar magnet is placed inside a current-carrying coil. The diagram shows four different experiments. magnet slowly removed magnet slowly removed current in coil slowly reduced + – current in coil slowly reduced + – In which experiments is the magnet demagnetised?

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

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

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28

Which row shows the meaning of the quantity e.m.f. and the unit in which it is measured?

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

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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29

Which diagram shows the current-voltage (I - characteristic for a filament lamp?

4. Electricity and magnetism  →  4.2.4. Resistance

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

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30

The diagram shows a light-dependent resistor (LDR) connected in a potential divider circuit. V The brightness of the light falling on the LDR is increased. Which row shows what happens to the resistance of the LDR, and what happens to the reading on the voltmeter?

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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31

The diagram shows part of an electric circuit. The reading on the voltmeter is 16 V. The current in the resistor is 8.0 A. V P Q 8.0 A One coulomb of charge flows from P to Q through the resistor. How much energy is transferred in the resistor?

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

4. Electricity and magnetism  →  4.2.4. Resistance

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32

Which symbol represents an AND gate?

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33

Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating. electrical supply X Y appliance cable cable live neutral When a fuse is used, where should it be connected, and when a circuit-breaker is used, where should it be connected?

4. Electricity and magnetism  →  4.4. Electrical safety

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34

The circuit diagram shows an a.c. power supply connected to two diodes and a resistor. a.c. power supply X Y The graph shows the current from the supply. current time Which graph shows the current in diode X?

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.2.2. Electric current

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35

A 100% efficient step-down transformer has primary voltage Vp and primary current Ip. Which row compares the secondary voltage with Vp and the secondary current with Ip?

4. Electricity and magnetism  →  4.5.6. The transformer

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36

There is an electric current in a wire. The wire is placed in a magnetic field. A force acts on the wire due to the current. Which statement is correct?

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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37

Which diagram represents the structure of a neutral atom?

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.1.2. The nucleus

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38

A nucleus of Ra decays into an isotope of actinium, which then decays into a nucleus of Th . What types of radiation have been emitted during this process?

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 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 50 mm of lead Which row 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

The count rate due to a sample of a radioactive isotope is measured for 80 minutes. time / minutes second / counts rate count What is the half-life of the isotope?

5. Nuclear physics  →  5.2.4. Half-life

5. Nuclear physics  →  5.2.1. Detection of radioactivity

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