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A student measures the volumes of three liquids using three different measuring cylinders.
The table shows the volumes recorded by the student.
[Table_1]
Which readings are correctly recorded?
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The diagram shows how the speed of a falling object changes with time.
Which row describes the motion of the object between X and Y, and between Y and Z?
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The speed–time graph represents a journey.
How does the graph show that the distance travelled in section X of the journey is greater than the distance travelled in section Y?
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Which row contains two correct statements about the mass and the weight of an object? [Table_1]
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Which equipment is used to find the density of an irregularly shaped stone?
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The diagram shows a force $F$ acting at 90° to a bar at a distance $d$ from the point $P$. Which pair of changes causes the greatest increase in the moment of the force $F$ about the point $P$?
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A child of weight 420 N is sitting on a swing with her feet on the ground. The child experiences an upward force from the ground of 130 N and an upward force from the swing of 290 N. What is the resultant force on the child?
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A builder lifts one concrete block from the ground onto a platform. The weight of one block is 170N. What is the useful work done against gravity on one block?
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Students are asked for examples of water being used to store energy. Three examples are listed. 1. energy stored in water waves 2. energy stored in tides 3. energy stored in water behind dams Which examples describe water being used to store energy?
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Which statement about power is correct?
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In which position does a person exert least pressure on the ground?
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Which name is given to the change of state when steam at 100\(^{\circ}\)C changes to water at 100\(^{\circ}\)C?
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A fixed mass of air is trapped inside a cylinder fitted with a moveable piston. The piston is slowly pushed in. What happens to the pressure and the volume of the trapped air?
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The diagram shows electricity cables being put up on a warm day. The cables are suspended between the supporting pylons, as shown. Why are the cables \textit{not} tightened to make them higher above the ground?
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Which diagram shows the overall movement of particles and the temperature change when a liquid evaporates?
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There is a vacuum between the double walls of a vacuum flask. Which types of thermal transfer are reduced by the vacuum?
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The diagram shows a transverse wave.
Which distance is equal to one wavelength?
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The diagram shows a wave before it reflects from a barrier. Which labelled section of the diagram represents a wavefront?
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The diagram shows a ray of light as it passes from air into glass.\n\n\n\nWhich row shows the angle of refraction and the normal?\n\n[Table_1]
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The diagram shows rays of light passing through a converging lens.
Which labelled arrow represents the focal length of the lens?
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The diagram shows a narrow beam of white light being dispersed by a glass prism to produce a visible spectrum.
Which statement describes what happens to the frequency and wavelength of the light in observing from P to Q across the spectrum?
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The early Universe was filled with gamma radiation. Since then, the radiation has shifted to the microwave region of the electromagnetic spectrum.
How has this change affected the wavelength and speed of the radiation?
[Table_1]
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Sound waves may cause an echo. What happens to sound waves to cause an echo and what is the nature of sound waves? [Table_1]
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The diagram shows what happens when a bar PQ is brought near to a permanent magnet which is standing on a balance. What could bar PQ be?
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Direct current (d.c.) can be represented on a voltage–time graph. Which graph shows the correct waveform for a d.c. supply?
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A resistor with a potential difference (p.d.) of 100V across it carries a current of 5.0 mA. What is the resistance of the resistor?
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The diagram shows the information label on an electric kettle. What is the value of the current when the kettle is heating water?
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Which circuit enables the resistance of the thermistor to be determined?
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A student makes a battery by connecting five cells, as shown. What is the electromotive force (e.m.f.) of the battery?
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The diagram shows the safety label on an electric oven.
The oven is connected to a mains electric circuit. A fuse is placed in the circuit to protect the cabling and prevent overheating if there is a fault.
Where should the fuse be placed and which rating should the fuse have?
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A straight wire is stationary between the poles of a magnet. It lies perpendicular to the magnetic field. Which action does not induce an e.m.f. in the wire?
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The diagram shows a wire hanging vertically between the poles of a magnet.
There is a current in the wire in the direction shown. The wire moves into the plane of the page away from the observer.
In which direction does the wire move when the current is reversed?
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A current-carrying coil in a magnetic field experiences a turning effect. Students are asked how the turning effect can be increased. Three suggestions are listed.
1. Decreasing the number of turns on the coil
2. Increasing the current
3. Increasing the strength of the magnetic field
Which suggestions will increase the turning effect?
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A student suggests three sources of naturally occurring background radiation.
1. cosmic rays
2. medical X-rays
3. radioactive emissions from radon gas from the ground
Which suggestions are correct?
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A student measures the rate at which ionising radiation is emitted from a radioactive substance. He places a detector at different distances from the radioactive source.
The table shows how the count rate from the source varies with distance $d$.
[Table_1]
Which type of ionising radiation is being emitted by the substance?
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Radioactive decay results in the emission of $\alpha$-particles, $\beta$-particles and $\gamma$-radiation.
Which types of emission result in a nucleus changing to that of a different element?
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A radioactive isotope has a half-life of 120 minutes. It emits radiation at a rate of 100 particles per second. How long does it take for the rate of emission to fall to 25 particles per second?
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The diagram shows part of a solar system. Which row correctly identifies the bodies P, Q, and R?
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Which statement about the Sun is not correct?
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Which statement about the Milky Way galaxy is correct?
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