---

---

1

A length of cotton is measured between two points on a ruler. cm cotton When the length of cotton is wound closely around a pen, it goes round six times. pen six turns of cotton What is the distance once round the pen?

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

Open

2

When does an object falling vertically through the air reach terminal velocity?

1. Motion, forces and energy  →  1.2. Motion

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

Open

3

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

1. Motion, forces and energy  →  1.2. Motion

Open

4

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses. The beaker is then removed and hung from a spring. The spring extends by 5.0 cm, as in diagram 2. diagram 1 diagram 2 beam balance standard masses beaker with wire loop attached beaker with wire loop attached spring The experiment is repeated with the same apparatus on the Moon, where the acceleration of free fall is less than on Earth. Which statement describes what happens on the Moon?

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

1. Motion, forces and energy  →  1.2. Motion

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

Open

5

An object always has mass but does not always have weight. What must be present and acting on the mass for it to have weight?

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

Open

6

A force acting on a moving ball causes its motion to change. This force stays constant. What makes the force produce a greater change in the motion of the ball?

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

Open

7

A balloon and a mass are attached to a rod that is pivoted at P. cm P mass balloon The balloon is filled with helium, a gas less dense than air, so that it applies an upward force on the rod. The rod is horizontal and stationary. Which action causes the rod to rotate clockwise?

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

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

Open

8

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due to resistive forces. Which statement describes what happens?

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

Open

9

Which expression gives the momentum of an object?

1. Motion, forces and energy  →  1.6. Momentum

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

Open

10

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

1. Motion, forces and energy  →  1.7.1. Energy

2. Thermal physics  →  2.3.3. Radiation

Open

11

A ball of mass 1.2 kg is dropped from a height of 30 m. As it falls, 25% of its initial gravitational potential energy is transferred to thermal energy. What is the kinetic energy of the ball just before it hits the ground?

1. Motion, forces and energy  →  1.7.1. Energy

Open

12

A girl hangs by her hands from a bar in the gymnasium. She pulls herself up until her chin is level with the bar. The mass of the girl is 48 kg. She pulls herself up through a distance of 0.25 m. She does this in 2.0 s. What is the useful power she uses to pull herself up?

1. Motion, forces and energy  →  1.7.4. Power

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

Open

13

Four identical beakers are filled with equal volumes of liquids P or Q, as shown...

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

Open

14

An oil tank has a base of area 2.5 m2 and is filled with oil to a depth of 1.2 m. The density of the oil is 800 kg / m3. What is the force exerted on the base of the tank due to the oil?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

Open

15

When molecules of a gas rebound from a wall of a container, the wall experiences a pressure. What is the cause of this pressure?

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

1. Motion, forces and energy  →  1.8. Pressure

2. Thermal physics  →  2.1.2. Particle model

Open

16

A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for the upper fixed point?

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

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

Open

17

Which statements about boiling and about evaporation are both correct?

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

Open

18

On a cold day, a metal front-door knob X and a similar plastic knob Y are at the same temperature. Why does X feel cooler to the touch than Y?

2. Thermal physics  →  2.3.1. Conduction

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

Open

19

Light travels at a speed of 2.0 × 108 m / s in a glass block. In the glass, the wavelength of the light is 4.0 × 10–7 m. What is the frequency of the light?

3. Waves  →  3.2.4. Dispersion of light

3. Waves  →  3.2.2. Refraction of light

Open

20

Which arrow on the graph shows the amplitude of the wave?

1. Motion, forces and energy  →  1.2. Motion

3. Waves  →  3.1. General properties of waves

Open

21

Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s light. mirror scout P Sun’s light scout Q Which mirror position allows the Sun’s light to be reflected to scout Q?

3. Waves  →  3.2.1. Reflection of light

6. Space physics  →  6.2.2. Stars

Open

22

A prism is made from transparent plastic. In this plastic, light travels at 0.80 c, where c is its speed in air. Light enters one face of the prism at right-angles as shown...

3. Waves  →  3.2.2. Refraction of light

3. Waves  →  3.2.4. Dispersion of light

Open

23

The Sun emits infra-red radiation and light. Light from the Sun reaches the Earth in 8 minutes. Which row gives correct information about the infra-red radiation?

3. Waves  →  3.2.4. Dispersion of light

6. Space physics  →  6.2.3. The Universe

6. Space physics  →  6.1.2. The Solar System

Open

24

A dolphin has a range of audible frequencies of 150 Hz–150 kHz. Which range of frequencies can be heard both by humans with good hearing and by dolphins?

3. Waves  →  3.4. Sound

3. Waves  →  3.3. Electromagnetic spectrum

Open

25

A permanent magnet is placed close to a bar of soft iron. S N P Q permanent magnet soft iron bar What are the polarities of end P and of end Q?

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

Open

26

A steel magnet is placed inside a coil of wire. Which method is used to demagnetise the magnet?

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

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

Open

27

The electromotive force (e.m.f.) of a rechargeable battery is 6.0 V. What does this mean?

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

Open

28

A student measures the potential difference across a device and the current in the device. 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

Open

29

A water heater is connected to a 230 V supply and there is a current of 26 A in the heater. It takes 20 minutes to heat the water to the required temperature. How much energy is supplied by the heater?

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

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

Open

30

Which electrical symbol represents a diode?

4. Electricity and magnetism  →  4.2.4. Resistance

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

Open

31

A student sets up this circuit. What is the purpose of the circuit?

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

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

3. Waves  →  3.4. Sound

Open

32

The diagram shows two voltmeters P and Q connected to a potential divider. X V V voltmeter P voltmeter Q The sliding connection at point X is moved towards the top of the diagram. What happens to the reading on P and to the reading on Q?

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

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

Open

33

The diagram represents a digital circuit using a NOR gate and an AND gate. X Y Z output NOR AND What is the truth table for this circuit?

Open

34

Which statement about electromagnetic induction is correct?

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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

Open

35

The diagram shows a current-carrying conductor in a magnetic field. Which arrow shows the direction of the force acting on the conductor?

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

Open

36

Power losses in transmission cables are reduced by increasing the transmission voltage. What is the explanation for this reduction?

4. Electricity and magnetism  →  4.5.6. The transformer

Open

37

In the atomic model, an atom consists of a central mass, orbited by much smaller particles. central mass orbiting particle What is the name of the central mass and of the orbiting particles?

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.1.2. The nucleus

Open

38

Nuclear fusion is a reaction that takes place in stars. Which row describes this reaction?

5. Nuclear physics  →  5.1.2. The nucleus

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

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

Open

39

The diagram shows emissions from a source passing into the electric field between two charged plates. + + + + + + + + + + – – – – – – – – – – source What is emitted by this source?

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

Open

40

The graph shows how the count rate registered by a counter near to a sample of a radioactive isotope changes over a period of a few days. The background count rate is 5 counts per minute. count rate counts / minute time / days What is the half-life of the isotope?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

5. Nuclear physics  →  5.2.4. Half-life

Open