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A student wishes to find the volume of a small, irregularly shaped stone. A ruler and a measuring cylinder containing some water are available. Which apparatus is needed?
536
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A car travels along a road at a constant speed. What correctly describes the speed–time graph of the car?
504
516
535
Four objects are moving along a straight line. The distance of each object from a fixed point on the line is plotted against time. Which object is decelerating?
546
516
514
An object is taken from the Earth to the Moon. The acceleration of free fall is $9.8 \text{ m/s}^2$ on the Earth and is $1.6 \text{ m/s}^2$ on the Moon. Which row describes the mass and the weight of the object on the Moon compared to on the Earth?
[Table_1]
568
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561
The diagram shows some liquid in a measuring cylinder. The mass of the liquid is 16 g. What is the density of the liquid?
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A single force acts upon an object and the volume of the object does not change. Which statement is correct?
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581
Four electric motors do the same quantity of work when they lift a weight of 10 N through the same distance. The times taken by each motor to lift the weight are shown. What is the time taken by the motor which produces the most power?
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Which row describes how the pressure beneath the surface of a liquid depends on the depth below the surface and on the density of the liquid? [Table_1]
508
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In which process does a gas turn into a liquid?
512
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557
A pollen grain in a beaker of still water is viewed through a microscope. Which diagram shows the most likely movement of the pollen grain?
521
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576
What is the relationship between temperatures in kelvin ($T$) and temperatures in degrees Celsius ($\theta$)?
516
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In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases. What can be concluded from this experiment?
508
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Solids expand when heated and contract when cooled. In which example is there a useful application of expansion and \textbf{not} an unwanted effect?
544
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571
A rod is made half of aluminium and half of glass. A pin is attached to each end of the rod by wax. The rod is heated at the centre. A pin falls off when the wax melts. Which statement is correct?
512
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527
In countries where it is usually hot, houses are often painted white. What is the reason for this?
548
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570
What is the name of the distance from one crest in a transverse wave to the next crest?
579
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Waves on the surface of water travel from deep water to shallow water. Which diagram shows the correct path of the waves in the shallow water?
542
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506
The diagram shows a thin converging lens with principal focuses at $F_1$ and $F_2$.
A small light source is placed at $F_1$. A beam of light from the source passes through the lens.
Which statement correctly describes the beam of light emerging from the lens?
576
576
563
A student reads the following relationship in his physics book. $$i = r$$ What is the student reading about?
515
577
532
The table shows information about different colours of light. [Table_1]
Using the data, what is the frequency of orange light?
554
588
515
The table gives the wavelengths of three electromagnetic waves.
[Table_1]
Which row correctly identifies P, Q and R?
506
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550
A healthy human ear is able to hear a range of frequencies. What is this approximate range?
584
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A student hits two wooden blocks together in front of a wall and calculates the speed of sound to be 340 m/s. The time between the student hitting the blocks and hearing the echo is 0.59 s. What is the distance between the student and the wall?
545
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587
The diagram shows part of the magnetic field between two bar magnets. Which statement about the ends of the magnets is correct?
577
552
558
Diagrams 1, 2, and 3 show an experiment to compare two magnets 1 and 2.
Which row explains the readings on the balances?
564
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567
Which graph of voltage against time shows an a.c. voltage?
552
563
567
There is a current $I$ in a resistor for a time $t$. The potential difference (p.d) across the resistor is $V$. What does the product $IVt$ represent?
552
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556
A student designs a circuit to turn on a fan when the temperature increases. Which component does the student need to use in her circuit?
596
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Four statements about safety when designing electrical products are listed.
1. If the outer casing is a conductor, it should be earthed.
2. If the outer casing is a conductor, it should \textit{not} be earthed.
3. If the outer casing is an insulator, it should be earthed.
4. If the outer casing is an insulator, it should \textit{not} be earthed.
Which statements are correct?
547
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A transformer has 400 turns on the primary coil connected to the 240 V mains supply.
There are two secondary coils to serve different parts of a television. Secondary coil 1 has
2500 turns and secondary coil 2 has 20 turns.
Which row is correct? [Table_1]
539
515
540
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?
514
572
556
Which statement about the structure of an atom is correct?
549
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569
A nuclide of strontium is represented by $^{90}_{38}$Sr.
Which row gives the number and location of the electrons in an atom of $^{90}_{38}$Sr?
[Table_1]
535
583
523
A radiation detector in a laboratory is measuring background radiation.
Which row describes the readings and the cause?
[Table_1]
540
564
547
The nuclei of the atoms in a substance are changing randomly and emitting radiation. What is happening to the substance?
536
550
575
What is the safest way to store a radioactive source?
571
596
569
Which row explains the apparent daily motion of the Sun across the sky and the cycle of phases of the Moon? [Table_1]
544
581
578
The nearest star to the Sun is 4 light-years away. A spaceship travels at 0.1\% of the speed of light. What is the total time taken for a journey from the Sun to the star and back again?
577
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555
In which regions of the electromagnetic spectrum does the Sun radiate most of its energy?
587
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574
What is the approximate diameter of the Milky Way?
574
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501
