No questions found
A lump of modelling clay is moved from a small measuring cylinder to a large measuring cylinder that has twice the diameter.
The reading on the small measuring cylinder goes down by 20 cm³.
By how much does the reading on the large cylinder go up?
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525
What is used to determine the distance travelled by an object in motion?
579
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557
A man stands next to a railway track.
A train travelling at 40 m/s takes 2.0 s to pass the man.
What is the length of the train?
548
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545
An object is moved from point X to point Y. The acceleration of free fall at X is different from that at Y. Which statement about the object at Y is correct?
500
517
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A measuring cylinder contains 30 cm³ of a liquid.
Some more of the liquid is added until the liquid level reaches the 50 cm³ mark.
The reading on the balance increases by 30 g.
What is the density of the liquid?
532
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579
A spaceship approaches and passes a planet.
What can the force of gravity between the spaceship and planet achieve?
508
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501
A beam is pivoted at one end, as shown.
The beam weighs 6.0 N and its weight acts at a point X 40 cm from the pivot.
A force of 4.0 N is applied to the beam causing it to balance horizontally.
In which direction and where is the 4.0 N force applied?
587
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512
What are the conditions for an object to be in equilibrium?
[Table_1]
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A tennis ball is dropped from position 1. It falls vertically onto a hard surface at position 2.
Which energy changes have taken place between position 1 and position 2?
501
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A force does work moving an object in the direction of the force. Which change in the force and distance always increases the work done? [Table_1]
584
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559
The table shows the weights and base areas of four metal blocks. Which block exerts the greatest pressure on its base?
[Table_1]
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594
The diagram shows a deep reservoir formed by a dam.
On what does the pressure at X depend?
555
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A particular state of matter consists of molecules that move freely in random directions at high speed. The average speed of the molecules is decreasing.
Which state of matter is being described?
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591
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Small pollen particles are suspended in water. When viewed with a microscope, the pollen particles can be seen to be moving about irregularly. What causes this movement?
527
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599
The diagram shows a liquid-in-glass thermometer.
Which physical property of the thermometer is used to measure temperature?
517
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543
An engineer investigates the increase in temperature of the oil in a car engine when it is first switched on. Which row is correct? [Table_1]
568
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543
A glass contains an iced drink on a warm and humid day. Water starts to form on the outside of the glass.
What is the name of the effect by which the water forms?
589
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531
The diagram shows solar water panels on the roof of a house. The panels absorb energy from the Sun to heat up the water in the metal pipes.
Which row describes how energy is transferred from the Sun and through the metal of the pipes?
[Table_1]:
| | from the Sun | through the metal of the pipes |
| --- | --- | --- |
| A | conduction | conduction |
| B | conduction | convection |
| C | radiation | conduction |
| D | radiation | convection |
561
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Four beakers containing equal volumes of water at 10°C are placed outside in full sunshine on a hot day.
The four beakers are identical except for their surface colour and texture.
Which beaker will heat up the quickest?
590
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555
The diagram shows a wave.
Which row is correct?
553
531
558
A girl is sitting on a rock in the sea looking at passing waves. She notices that five complete wavelengths pass her in 20s.
What is the frequency of this wave?
504
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588
A student uses one eye to look at images in a plane mirror.
Objects are placed on the line XY.
Which objects give rise to images that can be seen by the eye at E?
541
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507
An object is placed in front of a converging lens. The lens has a focal length $f$.
In which labelled position should the object be placed in order to produce a real image that is smaller than the object?
597
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511
Microwaves, green light and infrared are three types of electromagnetic radiation.
What is their order when listed by wavelength from the shortest wavelength to the longest?
566
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Which statement correctly compares radio waves and X-rays?
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581
The three diagrams each show two magnets.
In which diagrams do the two magnets attract each other?
518
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502
The diagram shows the magnetic fields around three objects, P, Q and R, placed close to each other.
Which row shows the nature of each of the objects?
[Table_1]
598
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Iron filings are picked up by an electromagnet.
The current in the electromagnet is switched off and the filings fall on a plastic bench.
A plastic comb is rubbed with a woollen cloth and held just above the iron filings.
Some of the filings jump and stick to the comb.
Which statement correctly explains the last observation?
519
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581
Four circuits are set up. In which circuit does the meter measure the potential difference (p.d.) across the resistor?
500
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A resistor has a potential difference (p.d.) of 12 V across it and a current of 0.60 A in it.
What is the resistance of the resistor?
581
502
523
The diagram shows an electric circuit.
$I_X$ is the current in resistor $X$. $I_Y$ is the current in resistor $Y$.
Which statement describes the current from the power supply?
518
516
573
The diagram shows a battery connected to a potential divider and to two lamps, P and Q.
The slider on the potential divider is moved from end X to end Y of the resistor.
Which row shows the effect on the brightness of each lamp?
575
535
559
Why is a fuse used in an electrical circuit?
594
507
567
Electrical power is transmitted from power stations to homes using the National Grid.
In which part of the National Grid is the voltage highest?
503
510
517
Which transformer can change a 240V a.c. input into a 15V a.c. output?
556
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537
The coils in two electric motors are identical in size, but motor 1 is observed to spin more quickly than motor 2. Three suggestions are made to explain this observation.
1. The current in the coil of motor 1 is greater than the current in the coil of motor 2.
2. The number of turns on the coil of motor 1 is greater than on the coil of motor 2.
3. The magnets in motor 1 are stronger than the magnets in motor 2.
Which suggestions give a possible explanation for this observation?
535
575
517
Which statement describes two atoms of different isotopes of an element?
501
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545
A radioactive source has a half-life of 0.5 hours. A detector near the source shows a reading of 6000 counts per second. Background radiation can be ignored. What is the reading on the detector 1.5 hours later?
571
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581
Some nuclei are unstable. They emit radiation and change into nuclei of a different element. What is this process called?
548
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521
