Cambridge Past Paper Questions
Browse 23,045questions from 25 years of O-Level & A-Level exams. Click any question to practice.
7 (a) The decay of a nucleus ¹⁸₃₅Ar by β⁺ emission is represented by ¹⁸₃₅Ar → X + β⁺ + Y. A nucleus X and two particles, β⁺ and Y, are produced by ...
A nucleus of plutonium-238 (²³⁸Pu) decays by emitting an α-particle to produce a new nucleus X and 5.6 MeV of energy. The decay is represented by ²...
A uniform square sheet of card ABCD is freely pivoted by a pin at a point P. The card is held in a vertical plane by an external force in the posit...
A lift (elevator) of weight 13.0kN is connected by a cable to a motor, as shown in Fig. 2.1. [Figure 2.1] The lift is pulled up a vertical shaft by...
A potential difference of 1.2 × 10³ V is applied between a pair of horizontal metal plates in a vacuum, as shown in Fig. 3.1. [Figure 3.1] The sepa...
A ball X moves along a horizontal frictionless surface and collides with another ball Y, as illustrated in Fig. 4.1. [Figure 4.1] Ball X has mass 0...
Light waves emerging from the slits of a diffraction grating are coherent and produce an interference pattern. A narrow beam of light from a laser ...
A battery of electromotive force (e.m.f.) 12V and negligible internal resistance is connected to a network of two lamps and two resistors, as shown...
A stationary nucleus of a radioactive isotope X decays by emitting an α-particle to produce a nucleus of neptunium-237 and 5.5MeV of energy. The de...
In this experiment, you will investigate the motion of two pendulums.
In this experiment, you will investigate the motion of a magnet connected to some springs.
The kinetic theory of gases is based on a number of assumptions about the molecules of a gas.
A mass is suspended vertically from a fixed point by means of a spring, as illustrated in [Figure 4.1]. The mass is oscillating vertically. The var...
A section of a coaxial cable is shown in [Figure 5.1].
An ideal operational amplifier (op-amp) has infinite bandwidth and zero output impedance.
A long straight vertical wire carries a current I. The wire passes through a horizontal card EFGH, as shown in [Figure 8.1] and [Figure 8.2 (view f...
Diagnosis using nuclear magnetic resonance imaging (NMRI) requires the use of a non-uniform magnetic field superimposed on a constant magnetic fiel...
A bridge rectifier using four ideal diodes is shown in [Figure 10.1]. The sinusoidal alternating electromotive force (e.m.f.) applied between point...
One possible nuclear reaction that takes place is ₂₃₅U + ₀n → ⁹⁵Mo + ¹³⁹La + 2₀n + 7₋₁e. Data for nuclei in this reaction are given in [Figure 12.1].
A ball of mass M is held on a horizontal surface by two identical extended springs, as illustrated in Fig. 4.1. [Figure 4.1] One spring is attach...
The variation with time of the displacement of an amplitude-modulated (AM) wave is shown in Fig. 6.1. [Figure 6.1] The sinusoidal information sig...
Electrons enter a rectangular slice PQRSEFGH of a semiconductor material at right-angles to face PQFE, as shown in Fig. 8.1. [Figure 8.1] A unifo...
10 (a) The upper electron energy bands in an intrinsic semiconductor material are illustrated in Fig. 10.1. [Figure 10.1] Use band theory to expl...
Radon-222 (²²²₈₆Ra) is a radioactive gas that decays randomly with a decay constant of 7.55 × 10⁻³ hour⁻¹.
(a) State Newton's law of gravitation. (b) A geostationary satellite orbits the Earth. The orbit of the satellite is circular and the period of the...
(a) The kinetic theory of gases is based on a number of assumptions about the molecules of a gas. State the assumption that is related to the volum...
(a) State what is meant by specific latent heat. (b) A student determines the specific latent heat of vaporisation of a liquid using the apparatus ...
A mass is suspended vertically from a fixed point by means of a spring, as illustrated in Fig. 4.1. [Figure 4.1] The mass is oscillating vertically...
(a) A section of a coaxial cable is shown in Fig. 5.1. [Figure 5.1]
(a) State an expression for the electric field strength E at a distance r from a point charge Q in a vacuum. State the name of any other symbol use...
(a) An ideal operational amplifier (op-amp) has infinite bandwidth and zero output impedance. State what is meant by: (i) infinite bandwidth (ii) z...
(a) A long straight vertical wire carries a current I. The wire passes through a horizontal card EFGH, as shown in Fig. 8.1 and Fig. 8.2. [Figure 8...
A bridge rectifier using four ideal diodes is shown in Fig. 10.1. [Figure 10.1] The sinusoidal alternating electromotive force (e.m.f.) applied bet...
(a) With reference to the photoelectric effect, state what is meant by work function energy. (b) The work function energy of a clean metal surface ...
One possible nuclear reaction that takes place is ²³⁵U + ¹n → ⁹⁵Mo + ¹³⁹La + 2¹n + 7⁰e ⁹² ₀ ⁴² ⁵⁷ ₀ ⁻¹ Data for nuclei in this reaction are given i...
When a light plastic ball is placed in a vertical column of moving air, the ball becomes stationary at a height h, as shown in Fig. 1.1. ball ↑ h ...
A student is investigating the oscillations of a mass attached to two springs connected in series, as shown in Fig. 2.1. springs mass Fig. 2.1 ...
A student is investigating the maximum height reached by a light plastic ball when it is launched vertically from a compressed spring, as shown in ...
A student is investigating how the resistance of a thermistor varies with temperature. The thermistor is placed in water, as shown in Fig. 2.1. [F...