AS & A Level Physics (9702) — February–March 2023, Paper 42
10 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Define gravitational potential at a point.
Answer this question and get it marked →State what is meant by an ideal gas.
Answer this question and get it marked →An object is suspended from a vertical spring as shown in Fig. 3.1. The object is displaced vertically and then released so that it oscillates, undergoing simple harmonic motion.…
Answer this question and get it marked →A capacitor, a battery of electromotive force (e.m.f.) 12 V, a resistor R and a two-way switch are connected in the circuit shown in Fig. 5.1. The switch is initially in position…
Answer this question and get it marked →A Hall probe is placed in a magnetic field. The Hall voltage is zero. The Hall probe is rotated to a new position in the magnetic field. The Hall voltage is now maximum. Explain…
Answer this question and get it marked →A beam of white light passes through a cloud of cool gas. The spectrum of the transmitted light is viewed and contains a number of dark lines. Explain why these dark lines occur.
Answer this question and get it marked →Plutonium-238 (Pu-238, Z = 94, A = 238) is unstable and undergoes alpha decay. Complete the equation to show the decay of plutonium-238: 238/94 Pu - ... U + ... alpha.
Answer this question and get it marked →Ultrasound is used to produce diagnostic information about internal body structures. Explain how ultrasound waves are detected.
Answer this question and get it marked →A student observes different stars from the Earth. Give two reasons why some stars appear brighter than others.
Answer this question and get it marked →← February–March 2023 Paper 52 · February–March 2023 Paper 33 →