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Diagram 1 shows a solid, rectangular-sided block.
Diagram 2 shows the same block from the front and from the side.
Metre rules have been shown close to the edges of the block.
What is the volume of the block?
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A student investigates the motion of a ball rolling down a slope. The diagram shows the speed $v$ of the ball at different times $t$.
Which statement describes the motion of the ball?
557
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Which statement about acceleration is correct?
507
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599
Which statement correctly describes the effects of placing a heavy load in a car?
515
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Which row gives the correct weight for the mass shown?
The value of $g$ is $10 \text{N/kg}$.
[Table_1]
546
512
502
A rectangular gymnasium is 50 m long, 25 m wide and 8.0 m high.
The density of air is 1.2 kg/m$^3$.
What is the best estimate of the mass of air in the gymnasium?
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Which moving object has a resultant force acting on it?
549
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A ball falls vertically to the floor and rebounds vertically upwards.
Just before it hits the floor, its speed is 4.0 m/s.
As it rebounds, its speed is 3.0 m/s.
The mass of the ball is 0.50 kg.
What is the change in momentum of the ball?
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A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion.
At which point does the mass have the least gravitational potential energy and at which point is the most elastic energy stored in the spring?
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572
The velocity $v$ of an object increases as it falls towards the ground.
Which quantity is directly proportional to $v^2$?
590
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The diagram shows a solid block resting on a bench. The dimensions of the block are shown.
On which labelled surface should the block rest to produce the smallest pressure on the bench?
540
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A pipe full of water connects a water supply on a hill to a tap lower down the hill.
The length of the pipe is 500 m. The height of the supply above the tap is 100 m.
The density of the water is 1000 kg/m^3. The effect of atmospheric pressure is negligible.
What is the water pressure at the tap?
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When a molecule rebounds from a wall, a force is exerted on the wall. What causes this force?
538
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The relationship between pressure $p$ and volume $V$ of a gas is given as $pV = \text{constant}$.
Under which conditions for the mass of a gas and for its temperature does the equation hold? [Table_1]
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The diagram shows a liquid-in-glass thermometer.
Which row gives the correct labels for the thermometer?
[Table_1]: X (A: water, B: alcohol, C: water, D: alcohol) - Y (A: narrow tube of uniform diameter, B: narrow tube of uniform diameter, C: this end immersed in substance to be measured, D: this end immersed in substance to be measured)
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The diagrams show four blocks of steel. The blocks are all drawn to the same scale.
The same quantity of thermal energy is given to each block.
Which block shows the greatest rise in temperature?
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Why are metals better conductors of thermal energy than non-metals?
541
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The diagram shows a vacuum flask used to keep a liquid warm.
Which methods of heat loss are reduced by the vacuum between the silvered walls?
516
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533
An earthquake-monitoring station records the arrival of 16 complete waves of an earthquake wave in 20 s.
The speed of the earthquake wave is 6.0 km/s.
What is the wavelength of the earthquake wave?
577
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The diagram shows a wave.
What are the amplitude and the wavelength of this wave?
[Table_1]
508
528
514
Which statement about converging lenses is correct?
569
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An intruder alarm sensor detects that a person is warmer than his surroundings.
Which type of electromagnetic wave does the sensor detect?
507
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Two people are standing outdoors on either side of a high wall.
Person 1 can hear person 2 talking although he cannot see her.
Which statement explains this?
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Four nails A, B, C and D are tested to find which makes the strongest permanent magnet.
One of the nails is placed against a bar magnet and the number of paper clips which the nail can support is recorded.
The bar magnet is then removed and the number of paper clips remaining attached to the nail is recorded. Each nail is tested individually.
Which nail becomes the strongest permanent magnet?
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The diagrams show a magnetised steel rod inside a solenoid connected to a potentiometer.
In diagram 1, the potentiometer is connected to a d.c. power supply.
In diagram 2, the potentiometer is connected to an a.c. power supply.
Which action would demagnetise the piece of steel?
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The diagram shows a positively charged conducting sphere and a wire connected to earth.
What happens when the wire is touched onto the sphere?
571
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A student uses the circuit shown to determine the resistance of two identical resistors.
The voltmeter reading is 2.2V and the ammeter reading is 0.25A.
What is the resistance of each resistor?
513
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557
There is a current of 2.0 A in a resistor of resistance 8.0 $\Omega$.
How much power is dissipated in the resistor?
571
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512
The lamps, the diodes and the batteries in the circuits are identical.
In which circuit does the ammeter give the greatest reading?
520
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Two resistors are connected in series with a power supply.
Which statement about the circuit is correct?
584
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Which two logic gates each have a high output when both of their inputs are high?
570
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The diagram shows a series of logic gates and part of its corresponding truth table.
What are the missing values in row 2 of the truth table?
584
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The graphs show how the currents in three circuits vary with time.
In which circuits is there a direct current?
571
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587
The coil of a simple a.c. generator rotates steadily in a uniform magnetic field.
The diagram shows the position of the coil at time t = 0.
Which graph shows the output voltage for one revolution of the coil?
525
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518
What occurs during nuclear fusion?
587
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A radioactive material has a half-life of 20 days.
A sample of the material contains $8.0 \times 10^{10}$ atoms.
How many atomic nuclei have decayed after 60 days?
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A thin sheet of paper is placed between a radioactive source and a radiation detector. The count rate falls to a very low reading.
From this result, which type of radiation is the source emitting?
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α-particles, β-particles and γ-rays are emitted by radioactive nuclei when they decay.
Which emissions can be deflected by an electric field?
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