0625/31 · May/June 2026
Download PDFFigure 1.1 shows the speed–time graph for a person skiing.
Calculate the distance travelled between time = 0 and time = 4.0 s by the person skiing.
Use information from the graph in Figure 1.1 to describe the speed of the person skiing: between time = 0 and time = 4.0 s
Use information from the graph in Figure 1.1 to describe the speed of the person skiing: between time = 4.0 s and time = 12 s.
Another person skiing travels a distance of 220 m in a time of 20 s. Calculate the average speed of this person.
Figure 2.1 shows a stack of eight identical discs.
Describe how to obtain a value for the average thickness of one disc.
The mass of one disc is 24 g. The volume of the disc is 20 cm. Calculate the density of the disc.
Figure 3.1 shows two containers, A and B, partly filled with water.
Explain why container A is more stable than container B.
The force on the table from container B is 64 N. The area of container B in contact with the table is 12 cm. Calculate the pressure on the table produced by container B.
Figure 3.2 shows a metal ball. The gravitational force on the ball is 1.2 N. The metal ball falls into a container of oil. After a short time, the metal ball is falling through the oil at a constant speed. Complete the labels on Figure 3.2 to show the forces on the metal ball as it falls at a constant speed.
A student uses an electric motor to turn a wheel, as shown in Figure 4.1.
Give the name of the energy store that increases as the wheel turns faster.
The current in the motor is 1.2 A. The potential difference (p.d.) across the motor is 24 V. Calculate the energy transferred to the motor in a time of 30 s.
Explain one way in which energy is wasted as the electric motor turns the wheel.
Some power stations burn fossil fuels to generate electrical power. Describe how a power station generates electrical power by burning fossil fuels.
State two disadvantages of generating electrical power by burning fossil fuels. Ignore the costs of building and running the power station.
Figure 5.1 shows a hot-air balloon. A flame under the balloon heats the air in the balloon.
Hot air inside the balloon rises to the top of the balloon. Explain why the hot air rises.
The hot air causes a pressure on the inside of the balloon. Explain how the hot air causes the pressure on the inside of the balloon. Use your ideas about gas particles.
The temperature of the hot air above the flame is 120 °C. Determine the value of 120 °C in kelvin.
Figure 6.1 shows the main regions of the electromagnetic spectrum in a particular order. Complete the sentence about a property of electromagnetic waves. In Figure 6.1, the arrow indicates the direction of increasing ........................................ .
All electromagnetic waves are transverse waves. Describe the direction of vibration in a transverse wave.
The frequency of an electromagnetic wave is 7.3 × 10 Hz. The speed of the wave is 3.0 × 10 m/s. Calculate the wavelength of the electromagnetic wave.
Gamma radiation has many medical uses. State one medical use of gamma radiation.
Describe the possible harmful effects of gamma radiation on people.
Figure 7.1 shows a ray of red light passing through a glass prism and into the air at B.
Angle ABD is 60°. Determine the angle of incidence for the ray of red light at B.
On Figure 7.1, label the angle of refraction at B. Use the letter R.
The critical angle for the glass in the prism is 38°. State the meaning of critical angle.
Figure 7.2 shows the ray of red light at a different angle. This angle is greater than the critical angle. On Figure 7.2, continue the ray of red light.
Figure 8.1 shows a lamp and a thermistor connected in a series circuit. The lamp is glowing with normal brightness.
A teacher uses a meter to measure the potential difference (p.d.) across the lamp. On Figure 8.1, draw the electrical symbol for this meter and its connections in the circuit.
The potential difference (p.d.) across the lamp is 3.9 V. The current in the lamp is 0.60 A. Calculate the resistance of the lamp.
The teacher moves the circuit from a warm room to a cold room. Explain how the change in temperature affects the brightness of the lamp.
A student experiments with bar magnets. Figure 9.1 shows the magnetic field around a bar magnet. On Figure 9.1, label the N (north) pole and S (south) pole of the bar magnet.
The student places a bar magnet near to a soft-iron bar PQ, as shown in Figure 9.2. Explain why the bar magnet and the soft-iron bar move towards each other.
The student uses a bar magnet to demonstrate electromagnetic induction as shown in Figure 9.3. When the S pole of the bar magnet is moved into the coil of wire, the pointer on the sensitive ammeter deflects to the left. Describe two ways by which the student can increase the deflection to the left.
Describe two ways by which the student can make the pointer deflect to the right.
The nuclide notation for americium-241 is: .
Determine the number of: protons in one nucleus of americium-241
Determine the number of: neutrons in one nucleus of americium-241.
Americium-241 and americium-242 are isotopes of americium. The mass number of americium-242 is 242. Give the nuclide notation for americium-242.
Americium-241 decays by emitting alpha particles. Americium-242 decays by emitting beta particles. Compare the ability of alpha particles and beta particles to penetrate paper.
Figure 11.1 represents the Solar System.
Four of the planets are labelled. Give the names of the other four planets. Write your answers in the boxes in Figure 11.1.
Give the name of region X.
State the name of the force that keeps the planets in orbit around the Sun.
Describe the evidence that supports the idea of an expanding Universe. Use your ideas about redshift.