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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?
The diagrams are distance-time graphs for four bodies. Which body is moving with an increasing speed?
A runner runs 300 m at an average speed of 3.0 m/s. She then runs another 300 m at an average speed of 6.0 m/s.
What is her average speed for the total distance of 600 m?
Which quantity is measured in newtons?
Four identical steel blocks are placed on a balance. The reading on the balance is 220N.
What is the mass of one steel block?
A liquid has a volume of $0.040 \, \text{m}^3$ and a mass of $30000 \, \text{g}$.
What is the density of the liquid?
The unstretched lengths and extension-load graphs are shown for each of four different springs.
Which spring is the longest when a load of 5.0 N is hung from each spring?
A car moves along a level road.
The diagram shows all of the horizontal forces acting on the car.
Which statement is correct?
Which force and distance produce the smallest moment about a pivot?
Which device is designed to convert chemical energy into kinetic energy?
A man climbs a ladder.
Which two quantities can be used to calculate the useful power of the man?
A manometer is used to measure the pressure of gas inside a metal container. What is the pressure inside the container?
A manometer is used to measure the pressure of a gas supply.
Which change gives a greater value of height $h$?
During evaporation of a liquid, the more energetic molecules escape. The temperature of the remaining liquid changes.
Which row identifies where these molecules escape from and describes the temperature change?
[Table_1]
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?
The distance between two electricity pylons is 60 m. An engineer fits a cable of length 62 m between the pylons.
Why does the engineer choose a cable that is longer than the distance between the two pylons?
Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time.
Which row describes what happens to the thermal energy and to the temperature in section X?
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?
On a cold day, a shiny metal rod feels colder to the touch than a black plastic rod. Which statement explains this observation?
A boat moves up and down repeatedly as a water wave passes it.
Which name is given to the number of up-and-down movements of the boat per unit time?
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?
A parallel beam of light is incident on a plane mirror. Which diagram shows how the beam is reflected by the mirror?
The diagram shows a parallel, cylindrical light beam of diameter $d$ incident on a thin converging lens. A screen is placed a distance equal to two focal lengths $2f$ from the lens.
Which diagram shows the size of the spot of light seen on the screen?
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?
A woman hears the first note produced by a clarinet.
She then hears a second note that has a higher pitch and is quieter.
Which row compares the frequency and the amplitude of the two notes?
The diagram shows a bar magnet and four plotting compasses.
Which compass shows the direction of the magnetic field due to the magnet?
Iron is used for the core of a transformer and steel is used to make a bar magnet.
Which statement explains these uses of iron and of steel?
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]
The diagrams show the scales of three ammeters.
Which ammeters show the same current reading?
The resistance of a component in a circuit is found using an ammeter and a voltmeter.
How are the ammeter and the voltmeter connected?
The diagram shows a circuit with a power supply and four components.
What is component N?
Two lamps are connected in parallel.
Which switches must be closed so that both lamps light?
The circuit diagram shows a variable potential divider. 
The slider is moved from P towards Q.
What happens to the reading on the voltmeter and to the brightness of the lamp?
[Table_1]
Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating.
[Image_1: Circuit diagram with labelled X, Y for live, neutral, appliance, cable]
When a fuse is used, where should it be connected, and when a circuit-breaker is used, where should it be connected?
[Table_1: Options with position of fuse and position of circuit-breaker]
Which electrical device uses the turning effect produced by a current-carrying coil in a magnetic field?
A wire is placed in a strong magnetic field. When a current is passed through the wire it moves upwards, as shown.
The current is reversed. In which direction does the wire move?
Which diagram represents the structure of a neutral atom?
Each nucleus of nuclide X contains 10 protons and a total of 22 nucleons.
Which notation is correct for this nuclide?
The diagram shows the paths of three different types of radiation X, Y and Z.
Which row correctly identifies X, Y and Z?
A sample of a radioactive isotope emits 9600 \( \alpha \)-particles per second.
After 40 hours the rate of emission has fallen to 600 \( \alpha \)-particles per second.
What is the half-life of this isotope?