IGCSE Physics (0625) — October–November 2024, Paper 43

State the difference between a scalar quantity and a vector quantity.

Describe an experiment to determine the spring constant of a spring. State: the apparatus you need; details of how to take measurements; how to calculate the spring constant. You…

Fig. 3.1 shows a portable shower used on a campsite. The bag is filled with water. The water is heated using infrared radiation from the Sun. The shower bag is painted black.…

Fig. 4.1 shows a ray of light as it enters the side of a plastic block. The ray of light passes from air into the plastic. The angle of incidence i = 45° and the angle of…

Fig. 5.1 shows a metal sphere S. The sphere has been charged with a negative charge. There is an electric field around sphere S. On Fig. 5.1, draw four field lines to show the…

A car windscreen is covered in condensation (small droplets of water). Thermal energy is used to remove the droplets of water. The thermal energy is provided by three resistors on…

Fig. 7.1 shows a barrier at the entrance to a car park. The wooden barrier arm has a weight of 60 N which acts through the centre of gravity at the position shown on Fig. 7.1. The…

An isotope of boron is used in the treatment of cancer in the brain. Boron sticks to cancer cells in the brain. The isotope of boron is bombarded with neutrons then undergoes…

Fig. 9.1 shows a diagram of a transverse wave with various lengths labelled P, Q, R, S, T, U, V. From Fig. 9.1, identify all the lengths which represent one wavelength.

Stars more massive than the Sun can eventually form black holes. Describe how a black hole can be formed from a more massive star.