No questions found
The diagram shows a stone of irregular shape.
Which property of the stone can be found by lowering it into a measuring cylinder half-filled with water?
524
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571
Two stones of different weights fall at the same time from a table. Air resistance may be ignored. What will happen and why? [Table_1]
547
594
549
The distance–time graph for a motorway journey is shown.
What is the average speed for the journey?
545
569
570
Diagram 1 shows a sealed plastic bottle containing a hollow glass sphere and a steel ball.
Diagram 2 shows the same bottle after it has been shaken.
Diagram 3 shows the same bottle after it has been shaken again until the broken glass is in tiny pieces.
The mass of the bottle and contents in diagram 1 is $m_1$.
The mass of the bottle and contents in diagram 2 is $m_2$.
The mass of the bottle and contents in diagram 3 is $m_3$.
Which statement gives the correct relation between $m_1$, $m_2$ and $m_3$?
529
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518
On Mars, the acceleration of free fall $g$ is $3.7\, \text{m/s}^2$.
What is the weight of a $2.0\, \text{kg}$ mass on Mars?
519
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595
The mass of an empty flask is 34 g.
The volume of liquid added to the flask is 20 cm3.
The total mass of the flask and the liquid is 50 g.
What is the density of the liquid?
594
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570
The diagram shows a solid object on a flat surface, with two forces acting on the object.
What is the resultant force on the object?
556
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577
The extension–load graph for a spring is shown. The unstretched length of the spring is 17.0 cm. [Graph Image] When an object is suspended from the spring, the length of the spring is 19.2 cm. What is the weight of the object?
506
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544
Which situation involves no work being done and no energy being transferred?
516
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521
A student suggests that there are several ways of transferring energy to a small, stationary block of iron on a smooth table. He makes the following suggestions.
1 Heat it.
2 Shine light on it.
3 Pass a current through it.
Which suggestions are correct?
534
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514
Two men, X and Y, try to move identical heavy boxes, P and Q.
Man X tries to push box P along the floor. The box does not move because an object is in the way.
Man Y lifts box Q from the floor onto a shelf.
Which man does the most work on their box, and which box gains the most energy?
514
535
512
A book has a mass of 400 g.
The surface of the book in contact with a table has dimensions 0.10 m \times 0.20 m.
The gravitational field strength $g$ is 10 N/kg.
What is the pressure exerted on the table due to the book?
564
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561
A mercury barometer is used to measure atmospheric pressure. Which distance gives a measure of the atmospheric pressure?
553
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537
Air trapped in a sealed bottle increases in temperature.
Which row shows the changes that occur to the trapped air?
[Table_1]
523
540
503
Very small pollen grains are suspended in water. A bright light shines from the side.
When looked at through a microscope, small specks of light are seen to be moving in a random, jerky manner.
What are the moving specks of light?
520
567
599
Why are small gaps left between the metal rails of a railway track?
590
514
517
All thermometers require a physical property that changes with temperature. Which property would not be suitable for use in a thermometer?
505
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514
The thermal capacity of object Y is greater than that of object Z. What is a consequence of this?
518
584
500
Two students carry out different experiments to compare the abilities of different metals to conduct thermal energy.
In experiment 1, the bar is heated for one minute and the length of wax strip that melts is measured.
In experiment 2, the bar is heated and the time taken for the pin to drop off is measured.
What happens to each of these measurements when a better conductor of thermal energy is tested?
565
529
507
In which substances is convection a method of thermal energy transfer?
547
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567
The diagram represents a wave on a rope.
Which type of wave is shown and which labelled arrow shows the wavelength of the wave?
521
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519
The diagrams show water waves in three different situations. The arrows show the direction of travel of the waves.
What does each diagram show?
516
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530
The diagram shows a narrow beam of light incident on a glass-air boundary. Some of the light emerges along the surface of the glass and some is reflected back into the glass.
Which row is correct?
[Table_1]
516
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528
An object is placed in front of a thin converging lens.
The diagram shows the paths of two rays from the top of the object.
An image of the object is formed on a screen to the right of the lens.
How does this image compare with the object?
560
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503
A student is asked to give two uses of four different types of electromagnetic radiation.
In which row are both the uses correct?
[Table_1]
548
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533
The diagrams represent the waves produced by four sources of sound. The scales are the same for all the diagrams.
Which sound has the highest frequency?
588
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583
Diagram 1 shows a small compass needle with its poles marked. It is not near any magnetic materials.
Diagram 2 shows a bar magnet with its poles marked. The compass needle is placed at point P.
In which direction will the N pole of the compass needle point?
584
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552
Which diagram shows the pattern and direction of the magnetic field lines around a bar magnet?
584
583
533
A student rubs a plastic rod with a cloth. The rod becomes positively charged. What has happened to the rod?
529
598
523
The circuit diagram shows a cell connected to an ammeter and two resistors.
What is the current in the circuit?
528
571
552
The diagram shows an electrical circuit.
Which row describes what happens when the temperature rises?
[Table_1]
502
571
522
Diagram 1 shows a resistor connected in a circuit. Diagram 2 shows an identical resistor connected in parallel with the first one.
What is the combined resistance of the two resistors?
558
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552
The current in a lamp connected on its own to the mains supply is 0.60 A.
A table decoration has three of these lamps connected in parallel.
Which rating of fuse is suitable to protect this circuit?
551
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546
A solenoid is connected to a very sensitive ammeter. A rod is inserted into one end of the solenoid. The ammeter shows that there is a small electric current in the solenoid while the rod is moving.
Which rod is being inserted?
596
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562
The diagram shows a transformer. There are 460 turns on the primary coil and 24 turns on the secondary coil. The primary voltage is 230 V.
What is the secondary voltage?
522
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512
A class is designing a d.c. motor. To achieve a greater turning effect, three suggestions are made.
1. Have a larger current in the coil of the motor.
2. Have a stronger magnet in the motor.
3. Put a larger number of turns on the coil.
Which suggestions will help to increase the turning effect?
520
544
564
The charge on a proton is e.
What is the charge on an electron and what is the charge on a neutron?
[Table_1]
596
596
582
The nuclide notation of the isotope strontium-90 is $^{90}_{38}\text{Sr}$.
Which statement is correct?
523
583
511
Which statement about $\alpha$-particles and $\gamma$-rays is correct?
583
513
510
The graph shows the activity of a radioactive source over a period of time.
What is the half-life of the source?
581
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587
