Cambridge Past Paper Questions
Browse 23,045questions from 25 years of O-Level & A-Level exams. Click any question to practice.
A wire of cross-sectional area 5.0 × 10⁻⁶ m² is made of a metal of resistivity 50 × 10⁻⁸ Ω m. The potential difference across the wire is 6.0 V and...
A cell of internal resistance r and electromotive force (e.m.f.) E is connected in series with a resistor of resistance R. [Figure 36.1] The resist...
Identical resistors are connected in four combinations P, Q, R and S between terminals X and Y. [Figure 37.1] What is the order of decreasing combi...
The circuit shown consists of two resistors of resistances 10 kΩ and 50 kΩ and a component Y. A 6.0 V supply is provided. The electric potential of...
A neutron ¹₀n is fired at a ²³⁵₉₂U nucleus. The neutron is absorbed by the nucleus which then splits to form nuclei of ¹⁴²₅₆Ba and ⁹²₃₆Kr. What is ...
Which word equation represents β⁺ decay?
Two balls, X and Y, move along a horizontal frictionless surface, as illustrated in Fig. 3.1. Ball X has an initial velocity of 3.0ms⁻¹ in a direct...
In this experiment, you will investigate a pendulum with a mass fixed at each end.
In this experiment, you will investigate the relationship between the pressure in a balloon and its diameter.
The pressure p of an ideal gas having density ρ is given by the expression p = ⅓ ρ⟨c²⟩.
A cylindrical tube, sealed at one end, has cross-sectional area A and contains some sand. The total mass of the tube and the sand is M. The tube fl...
A horseshoe magnet is placed on a top pan balance. A rigid copper wire is fixed between the poles of the magnet, as illustrated in Fig. 8.1. The wi...
Outline the principles of computed tomography (CT) scanning.
The incomplete nuclear equation for one possible reaction that takes place in the core of a nuclear reactor is ⁹²²³⁵U + ₀¹n → ⁵⁷¹³⁹La + ₄₂⁹⁵Mo + 2₀...
A student is investigating the behaviour of a capacitor-resistor circuit as shown in Fig. 1.1. [Figure 1.1] A neon lamp flashes on and off when it ...
A student is investigating the motion of a small steel ball in cooking oil. A measure of the oil's resistance to the ball's motion is called viscos...
The table shows some measurable quantities. Which row gives the correct order of magnitude of the measurable quantity in the stated unit?
A byte (b) comprises 8 bits. How many bits are there in 1 terabyte (1Tb)?
Which pair of quantities contains both a scalar and a vector?
A transmitter emits a pulse of electromagnetic waves towards a reflector. The pulse is reflected and returns to the transmitter. A detector is loca...
A micrometer is used to measure the diameters of two cylinders. diameter of first cylinder = (12.78 ± 0.02) mm diameter of second cylinder = (16.24...
A stone is thrown horizontally from the top of a cliff and falls into the sea below. Air resistance is negligible. The path of the stone is shown. ...
A car moves with uniform acceleration along a straight road. Oil leaks from the car at the rate of one drop every two seconds. The diagram shows th...
A person of mass 60 kg stands on accurate bathroom scales, placed on the floor of an elevator (lift) which operates in a tall building. At a certai...
The diagram shows graphs of various quantities plotted against time for an object dropped from a stationary balloon high in the atmosphere. [Figure...
The diagram shows a particle P, travelling at speed v, about to collide with a stationary particle Q of the same mass. The collision is perfectly e...
A particle is in a uniform field. The particle experiences a force in the opposite direction to the field. In which type of field is the particle, ...
A uniform rod of weight 20 N and length 2.0 m is acted upon by two vertical forces, as shown. [Figure showing a uniform rod with two vertical force...
Three coplanar forces act on a block. Which diagram shows the directions of the forces such that the block could be in equilibrium?
A cylinder contains a volume of 0.012 m³ of gas at a pressure of 1.0 × 10⁵ Pa. 400 J of work is done on this gas, with its pressure remaining const...
A ball is thrown vertically upwards from the surface of the Earth. Which statement describes the energy of the ball as it rises through the air?
A sledge of mass 50 kg sits on a snowy surface. It is pulled horizontally for 10 m against a frictional force of 200 N, then it is pulled horizonta...
An object is moved in a vertical plane from X to Y, and then from Y to Z, as shown in the diagram. [Figure showing an object moving in a vertical p...
A car travels at a constant speed of 25 ms¯¹ up a slope. The wheels driven by the engine exert a forward force of 3000 N. The total force due to ai...
A composite rod is made by attaching a glass-reinforced plastic rod and a nylon rod end to end, as shown. [Figure showing a glass-reinforced plasti...
The graph shows the non-linear force-extension curve for a wire made from a new composite material. [Figure showing a non-linear force-extension gr...
A wave of frequency 15 Hz travels at 24 m s¯¹ through a medium. What is the phase difference between two points 2.0 m apart?
Which row describes a longitudinal wave and a medium through which it can travel?