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Four athletes run twice around a track. The table shows their times at the end of each lap. Which athlete runs the second lap the fastest? [Table_1]
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A racing car is fitted with an on-board computer. Every time the car passes the starting line, the computer records the distance travelled in the following two seconds. Which set of data shows that the car is increasing in speed during the two seconds? [Table_1] [Table_2] [Table_3] [Table_4]
589
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Which row shows the gravitational field strength on the Earth and the definition of velocity? [Table_1]
511
583
579
Which statement about the weight of an object is correct?
579
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572
The diagram shows a load–extension graph for a steel spring. The length of the spring with no load attached is 2.0 cm. Which load increases the length of the spring to 6.0 cm?
514
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511
Which force between two solid surfaces opposes motion?
581
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569
A box of mass 2.0 kg and weight 20 N is carried to the top of some stairs. How is the work done against gravity on the box calculated?
513
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552
Four submarines are submerged. The density of fresh water is 1000 kg/m^3 and the density of sea water is 1020 kg/m^3. Which submarine experiences the greatest pressure due to the water?
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The diagram shows the changes in state, 1, 2, 3 and 4, between solids, liquids and gases. What are processes 2 and 3?
596
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502
Copper has a melting point of 1100 °C. What is the melting point in kelvin?
539
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A liquid at room temperature fills a flask and a glass tube to level X. The flask is placed in ice and the liquid level in the tube changes to level Y. Why does the level change to level Y?
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Which row correctly describes the state of water at the temperatures shown? [Table_1]
571
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536
A liquid is evaporating. The liquid is \textit{not} boiling. Which statement about the liquid at an instant in time is correct?
509
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568
A student stirs a hot liquid in a pan with a spoon.
Which row explains which material the spoon should be made from so that the student does not burn their hand?
[Table_1]
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571
Thermal radiation is emitted from all objects. Which mediums can thermal radiation travel through? [Table_1]
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The radius of a circular pond is 3.0 m. Circular waves are made at the centre of the pond. There are 10 whole waves between the centre and the edge of the pond and it takes 5.0 s for all 10 waves to reach the edge. What is the wavelength and the frequency of the waves? [Table_1]
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How does the direction of vibration of a longitudinal wave compare to its direction of propagation and which wave example is longitudinal? [Table_1]
588
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595
The diagram shows a ray of light reflecting from a mirror.
Which row shows the correct names for x, y and Z?
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512
A converging lens forms an image of an object placed in front of it. What are the characteristics of the image?
584
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White light can be split into different colours by passing it through a prism. What is the name of this process?
516
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Excessive exposure to some regions of the electromagnetic spectrum can cause harmful effects to people.
Which regions cause mutation of cells in the body, skin burns and internal heating of body cells?
[Table_1]
534
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512
A pulse of sound is produced at the bottom of a boat. The sound travels through the water and is reflected from a shoal of fish. The sound reaches the boat again 1.2s after it is produced. The speed of sound in the water is 1500 m/s. How far below the bottom of the boat is the shoal of fish?
546
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The frequency of a sound wave increases from 31000 Hz to 32000 Hz.
What is the nature of the wave and how does it sound to a human with normal hearing?
577
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Small compasses are used to determine the direction of a magnetic field.
Which diagram shows the direction that the compass needles point when placed near the N and S poles of a bar magnet?
538
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A metal bar is placed inside a current-carrying coil, as shown in diagram 1. There is a small current in the coil. The bar holds a few nails, as shown in diagram 2. When there is no current in the coil, the nails drop off. Which row is correct?
567
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There is a current $I$ in a resistor of resistance $R$. The potential difference (p.d.) across the resistor is $V$.
Which equation gives the power $P$ dissipated by the resistor?
541
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A student tests the electrical conduction of four materials.
• aluminium
• iron
• plastic
• silver
Which materials are good conductors of electricity?
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575
This question is about the potential difference (p.d.) across, and the current in, a variable resistor. The resistance of the variable resistor is increased. Which statement is correct?
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548
Diagram 1 shows a resistor connected in a circuit. Diagram 2 shows an identical resistor connected in parallel with the first resistor.
What is the combined resistance of the two resistors in diagram 2?
503
600
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Where must a fuse be connected in a mains electric circuit?
592
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Which graph does \textbf{not} show the correct trend for the force \( F \) causing the turning effect on the coil in a d.c. motor?
572
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539
Which statement about the structure of an atom is correct?
536
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522
Four statements about isotopes of a certain element are listed. Which statement about the isotopes must be correct?
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508
What makes a contribution to a person’s annual dose of ionising radiation?
528
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The emissions from a radioactive source pass through a sheet of lead that is 10mm thick.
Which type of radiation is emitted from the source and how is the radiation affected by an electric field?
[Table_1]: See options table for type of radiation and effect of electric field.
558
531
535
Radioactive waste is often mixed with liquid glass. This mixture solidifies and is stored in steel drums.
Why is this process used to store radioactive waste?
501
515
581
Which planet is classed as a rocky planet?
554
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590
What is the cause of the phases of the Moon?
542
554
539
What makes up the Universe?
581
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The Sun mostly consists of which gases?
525
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532
