AS & A Level Physics (9702) — May–June 2023, Paper 21
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A rigid uniform beam of weight W is connected to a fixed support by a hinge, as shown in Fig. 2.1. A compressed spring exerts a total force of 8.2 N vertically upwards on the…
Answer this question and get it marked →A block is pulled in a straight line along a rough horizontal surface by a varying force X, as shown in Fig. 3.1. Air resistance is negligible. Assume that the frictional force…
Answer this question and get it marked →A beaker in air contains a liquid. The base of the beaker is in contact with the liquid and has area A. The liquid has density rho and fills the beaker to a depth h. By using the…
Answer this question and get it marked →An electromagnetic wave in a vacuum has a wavelength of 8.4 x 10^-6 m. State the name of the principal region of the electromagnetic spectrum for the wave.
Answer this question and get it marked →A metal wire in a circuit has a length of 1.8 m and a cross-sectional area of 1.5 x 10^-6 m^2. The total number of free electrons (charge carriers) in the wire is 2.3 x 10^23.…
Answer this question and get it marked →A battery of electromotive force (e.m.f.) 9.6 V and negligible internal resistance is connected in series with two fixed resistors and a thermistor, as shown in Fig. 7.1. The…
Answer this question and get it marked →An isolated stationary nucleus X decays by emitting an alpha-particle to form a nucleus Y. Nucleus Y and nucleus Z are isotopes of the same element. By comparing the number of…
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