IGCSE Physics (0625) — October–November 2024, Paper 42

A rocket has an initial mass of 7.4 × 10⁶ kg. Calculate the initial weight of the rocket.

Fig. 2.1 shows a golfer about to hit a golf ball with a golf club. The initial momentum of the golf ball is zero. Define momentum.

State two energy resources for which radiation from the Sun is the main source of energy.

Fig. 4.1 shows a pressure cooker on an electric heating element. The cooker has a tight-fitting lid. The pressure cooker is half-full of water. As the water is heated some water…

On a sunny day, the temperatures of a black tarmac road and the air above the road increase. Explain why the surface temperature of the tarmac increases.

A student plays the violin near the doorway to a large room. Fig. 6.1 shows a young teacher standing where he can hear the sound but cannot see the student. The sound from the…

A washing machine has an electric motor and an electric heater. Fig. 7.1 shows a simplified circuit diagram for the washing machine: an a.c. power supply, an ammeter A, and the…

A fisherman uses high frequency sound waves to locate fish in the sea. Fig. 8.1 shows the sound waves emitted from the boat down towards the seabed. State the name of sound waves…

Fig. 9.1 shows a wireless charging plate used to charge the battery in a mobile phone (cell phone). The coil of wire is part of an electric circuit. The charging plate is…

Carbon-14 (¹⁴₆C) is a radioactive isotope of carbon. Carbon-12 (¹²₆C) is not radioactive. Explain how an atom of carbon-14 (¹⁴₆C) differs from an atom of carbon-12 (¹²₆C).

State the name of one planet that has an orbit further away from the Sun than Venus.