Cambridge Past Paper Questions
Browse 23,045questions from 25 years of O-Level & A-Level exams. Click any question to practice.
A moon of mass M and radius R orbits a planet of mass 3M and radius 2R. At a particular time, the distance between their centres is D, as shown in ...
A molecule of an ideal gas has mass m and is contained in a cubic box of side length L. The molecule is moving with velocity u towards the face of ...
A trolley on a smooth surface is attached by springs to fixed blocks as shown in Fig. 4.1. The trolley oscillates horizontally about its equilibriu...
An audio signal of amplitude 2.0 µV and frequency 4.2kHz is to be transmitted using a carrier wave of amplitude 10.0mV and frequency 100kHz. Either...
The dome of an electrostatic generator is a spherical conductor of radius 13cm. It is initially charged so that the electric potential at the surfa...
Fig. 7.1 shows an op-amp circuit that uses negative feedback. [Figure 7.1]
Two long straight parallel wires P and Q carry currents into the plane of the paper, as shown in Fig. 8.1. The current in P is I and the current in...
A polished calcium plate in a vacuum is investigated by illuminating the surface with light. It is found that no photoelectric current is produced ...
Fig. 10.1 shows a simple laminated iron-cored transformer consisting of a primary coil of 25000 turns and a secondary coil of 625 turns. The output...
A piezoelectric transducer containing a quartz crystal is used to obtain diagnostic information about internal structures.
A sample of radioactive material contains atoms of an unstable nuclide X. The activity of the sample due to the atoms of X is A. The variation with...
A student investigates stationary sound waves in cylindrical tubes. Fig. 1.1 shows a stationary wave pattern in a tube which is open at both ends. ...
A student investigates the discharge of a capacitor in the circuit shown in Fig. 2.1. E C V R1 R2 P Q Fig. 2.1 The student closes the switch and ch...
A student investigates the extension of a spring supporting a wooden strip, as shown in Fig. 1.1. One end of the strip is at point P. The strip has...
A Geiger-Müller (G-M) tube is a device that can detect beta-radiation. A student places paper between a radioactive source emitting beta-radiation ...
A student investigates the discharge of a capacitor in the circuit shown in Fig. 2.1. [Figure 2.1] The student closes the switch and charges the ca...
Which quantity is a physical quantity?
What is a power of 3.7 MW when expressed in kilowatts?
A spring is suspended from a fixed point and a force is applied. The position of a pointer attached to the bottom of the spring against a vertical ...
What is the difference between a scalar quantity and a vector quantity?
A toy car travels on a circular track at a constant speed of 0.50ms¯¹. It passes a point on the track at time t = 0 and takes a time of 40 s to tra...
A goods train passes through a station at a steady speed of 10ms¯¹ at time t = 0. An express train is at rest at the station. The express train lea...
A constant resultant force Facts on an object of mass m for time t. What is the change in momentum of the object?
The acceleration of free fall on the surface of planet P is one-tenth of that on the surface of planet Q. On the surface of P, an object has a mass...
A parachutist falls from rest from a balloon. The variation with time of the vertical velocity of the parachutist is shown. [Figure showing vertica...
Two solid spheres form an isolated system. Sphere X moves with speed 6 cms¯¹ in a straight line directly towards a stationary sphere Y, as shown. [...
What is not a necessary requirement of the forces in a couple?
A box of length 12cm and weight 0.43 N is placed on a horizontal table, with the greater part of its length overhanging the edge of the table. The ...
An object is suspended by two ropes. One rope has a tension of 410N at an angle of 60° to the horizontal. The other rope has a tension of 210N at a...
A solid cube is floating in equilibrium in liquid mercury. The cube is made of iron of density 7900 kg m⁻³. The cube floats with 42% of its volume ...
The diagram shows two vessels, P and Q, both with sides inclined at 45° to the horizontal. [Figure showing vessel P tapering outwards and vessel Q ...
A motor is used to lift a load vertically upwards. The load has weight W. The motor produces useful power output P. The load is lifted at constant ...
A lamp is switched on for 2.0 hours. The power input to the lamp is 1.0W. The energy given out by the lamp as light is 7.0 × 10³ J. How much energy...
An object of mass m is dropped onto the surface of two planets, X and Y, which have no atmosphere. The height from which the object is dropped and ...
A known tensile force acts on a metal wire. The wire does not exceed its limit of proportionality. Which two measurements enable the strain of the ...
A wire is extended by different forces. The wire obeys Hooke's law. A graph is plotted to show the variation of a quantity y with a quantity x. [Fi...
A wave pulse moves along a stretched rope in the direction shown. [Figure showing a wave pulse moving along a stretched rope with point P] Which di...
Which statement about progressive transverse and longitudinal waves is correct?
A miniature loudspeaker, initially at rest, falls vertically from a window in a high building. When the speaker has fallen a distance of 10.0m, it ...
Two electromagnetic waves have wavelengths of 5.0 × 10⁻⁷ m and 5.0 × 10⁻² m in a vacuum. Which row identifies the regions of the electromagnetic sp...
The wavelength of sound in air may be determined by using stationary waves. In one experiment, a loudspeaker produces a sound wave of constant freq...