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A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s.
What is the time for one complete swing of the pendulum?
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The graph shows how the speed of an object varies with time.
At which point on the graph is the greatest distance travelled per second?
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An athlete runs at a speed of 8 m/s for 10 s, and then at a speed of 6 m/s for 12 s.
Which calculation gives the average speed of the athlete in m/s?
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An object is suspended from a spring balance on the Earth. The same object is suspended from the same spring balance on another planet.
Which statement explains the difference between the two readings?
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502
The diagram shows four blocks of different metals. Each block has a mass of 12g. Which metal has the largest density?
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A car moves along a level road.
The diagram shows all of the horizontal forces acting on the car.
Which statement is correct?
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Point X is the centre of mass of a lamina in the shape of a triangle with sides of equal length. The top of the triangle is cut off along the dotted line shown.
What happens to the centre of mass, X?
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Which device is designed to convert chemical energy into kinetic energy?
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Which two physical quantities must be used to calculate the power developed by a student running up a flight of steps?
502
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A simple mercury barometer is used to measure the atmospheric pressure. Which height is measured to find the atmospheric pressure?
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The particles of a gas, in a container of fixed volume, are given more energy. Which effect does this have on the gas?
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A manometer is used to measure the pressure of a gas supply.
Which change gives a greater value of height $h$?
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Diagram 1 shows apparatus being used to observe smoke particles.
Diagram 2 shows how a smoke particle moves randomly.
Why do the smoke particles move randomly?
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The metal lid on a glass jar is difficult to unscrew. The jar is placed in a warm oven until the jar and the lid reach the same temperature. The lid is now easily unscrewed. Which property accounts for this?
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Two cold metal containers X and Y are both filled with the same mass of hot water at the same temperature. Both containers are well insulated. The thermal capacity of container X is greater than that of container Y. How do the final temperatures of the water in X and in Y compare?
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Some of the Sun’s radiation passes through a prism. The diagram shows the spectrum of the radiation.
Which point on the screen does the infra-red radiation reach?
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Which statement about convection is not correct?
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What is meant by the frequency of a water wave?
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Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water.
Which diagram shows the wave pattern in the deeper water?
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The diagram shows two plane mirrors at 90° to each other. A ray of light is incident on one of the mirrors. The ray reflects off both mirrors before reaching a screen. At which labelled point does the ray reach the screen?
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Which diagram shows the formation of a real image of an object O placed in front of a converging lens?
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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?
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Which statement about ultrasound is correct?
525
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532
An iron bar PQ is placed close to a bar magnet. In which diagram does end P become an induced north pole?
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The diagram shows a bar magnet at rest on a smooth horizontal surface. A length of soft-iron wire is held parallel to the magnet.
The wire is released.
What happens?
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A negatively charged plastic rod P is placed above a positively charged plastic rod Q. What are the directions of the electrostatic forces on rod P and on rod Q? [Table_1]
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The diagrams show the readings on an ammeter in a series circuit before and after the switch in the circuit has been closed.
What is the current in the circuit when the switch is closed?
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A student investigates the resistance of a lamp. Which row states how the meters must be connected? [Table_1]
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A lamp is connected into a circuit so that the potential difference across it can be varied from 0 to 12V.
Which circuit is suitable?
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The diagram shows a circuit.
Which statement describes and explains how the circuit behaves?
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Which component uses a small direct current (d.c.) in one circuit to switch on a much larger current in a second circuit?
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Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating.
When a fuse is used, where should it be connected, and when a circuit-breaker is used, where should it be connected?
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The diagram shows a horizontal wire between the two magnetic poles of a U-shaped magnet. The U-shaped magnet is on a balance.
When the switch closed, the reading on the balance decreases.
The experiment is carried out three more times with the following changes made.
1. Only the current is reversed.
2. Only the magnetic field is reversed.
3. Both the current and the magnetic field are reversed at the same time.
Which changes cause an increase in the reading on the balance?
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The diagram shows a coil of wire between the poles of a magnet.
The coil consists of 20 turns of insulated wire.
The coil is connected to a variable resistor and a power supply.
How can the turning effect on the coil be increased?
561
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531
Which diagram represents the structure of a neutral atom?
500
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The nuclide notation for the isotope lithium-7 is $^7_3\text{Li}$.
How many neutrons are there in an atom of lithium-7?
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The diagram shows the paths of three different types of radiation X, Y and Z.
Which row correctly identifies X, Y and Z?
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556
Samples of four different radioactive isotopes all emit radiation at the same rate. As time passes, the rates of emission decrease for all the samples. Which sample of isotope has the greatest decrease in rate?
[Table_1]
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