Cambridge Past Paper Questions
Browse 23,045questions from 25 years of O-Level & A-Level exams. Click any question to practice.
A coaxial cable is frequently used to connect an aerial to a television receiver. Such a cable is illustrated in Fig. 4.1. [Figure 4.1]
Two capacitors P and Q, each of capacitance C, are connected in series with a battery of e.m.f. 9.0 V, as shown in Fig. 6.1. [Figure 6.1] A switch ...
The circuit of an amplifier incorporating an ideal operational amplifier (op-amp) is shown in Fig. 7.1. [Figure 7.1]
A thin slice of conducting material is placed normal to a uniform magnetic field of flux density B, as shown in Fig. 8.1. [Figure 8.1] The magnetic...
A radiation detector is placed close to a radioactive source. The detector does not surround the source. Radiation is emitted in all directions and...
Answer all the questions in the spaces provided. (b) The planet Jupiter and one of its moons, Io, may be considered to be uniform spheres that are...
(b) A beaker of boiling water is placed on the pan of a balance, as illustrated in Fig. 2.1. [Figure 2.1] The water is maintained at its boiling p...
(b) A thin metal strip, clamped horizontally at one end, has a load of mass M attached to its free end, as shown in Fig. 3.1. [Figure 3.1] The met...
The analogue signal from a microphone is to be transmitted in digital form. The variation with time t of part of the signal from the microphone is ...
(b) An isolated spherical conductor has charge q, as shown in Fig. 6.1. [Figure 6.1] Point P is a movable point that, at any one time, is a distan...
(b) An amplifier circuit incorporating an ideal operational amplifier (op-amp) is used to amplify the output of a microphone. The circuit is shown ...
A thin slice of conducting material is placed normal to a uniform magnetic field, as shown in Fig. 8.1. [Figure 8.1] The magnetic field is normal ...
(c) A beam of charged particles enters a region of uniform magnetic and electric fields, as illustrated in Fig. 9.1. [Figure 9.1] The direction of...
The circuit for a full-wave rectifier using four ideal diodes is shown in Fig. 11.1. [Figure 11.1] A resistor R is connected across the output AB ...
The isotope iodine-131 (¹³¹₅₃I) is radioactive with a decay constant of 8.6 × 10⁻² day⁻¹. β⁻ particles are emitted with a maximum energy of 0.61 MeV.
Two capacitors P and Q, each of capacitance C, are connected in series with a battery of e.m.f. 9.0V, as shown in Fig. 6.1. [Figure 6.1] A switch S...
A student is investigating the resistance of a light-dependent resistor (LDR) separated from a source of light by different depths of water as show...
A student is investigating how the forces acting on a bridge vary as the position of a load on the bridge is changed. The bridge is modelled as sho...
A flat circular coil P carrying a current produces a magnetic field. When a second coil Q is placed with its centre a distance x from the centre of...
A student is investigating stationary waves on a stretched elastic cord. A vibrator attached to the cord is connected to a signal generator. The ap...
A car is travelling at a speed of 20 m s⁻¹. The table contains values for the kinetic energy and the momentum of the car. Which values are reasonab...
Which list contains both scalar and vector quantities?
Vectors P and Q are drawn to scale. Which diagram represents the vector (P + Q)? [Figure 4.1]
A sprinter runs a 100 m race. The sprinter has a constant acceleration from rest of 2.5 m s⁻² until reaching a speed of 10 m s⁻¹. The speed then re...
A resultant force of 10 N acts on a body for a time of 2.0 s. Which graph could show the variation with time t of the momentum p of the body?
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, a body has a mass of...
Two bodies travelling along the same straight line collide in a perfectly elastic collision. Which statement must be correct?
A positively-charged particle of negligible mass, moving at constant velocity v in a vacuum, enters a uniform electric field between two parallel p...
A uniform rectangular board is supported by a frictionless pivot at its centre point P. [Figure 12.1] Two forces act in the plane of the board. For...
A kite is in equilibrium at the end of a string, as shown. [Figure 13.1] The kite has three forces acting on it: the weight W, the tension T in the...
The density of the air in the atmosphere decreases as the height h above the surface of the Earth increases. Which graph best shows the variation w...
A bungee jumper on a platform over a river is attached to an elastic rope that is 20 m long when unstretched. He falls towards the river and his lo...
A cylinder contains a fixed mass of gas. The gas, at a constant pressure of 1.3 × 10⁵ Pa, expands from a volume of 900 cm³ to a volume of 1100 cm³....
An object is thrown into the air. Which graph shows how the gravitational potential energy Eₚ of the object varies with height h above the ground?
A car of mass 1800 kg accelerates along a horizontal road so that its speed increases from 20 m s⁻¹ to 25 m s⁻¹ in a time of 5.4 s. What is the ave...
A metal cylinder is able to withstand a compressive force of 4.0 kN without deforming plastically. [Figure 20.1] The cylinder has cross-sectional a...
A wire has both elastic and plastic properties. When it is slowly loaded, its extension varies with load as shown by line OXY. The removal of the l...
A progressive wave on a wire has a frequency of 10 Hz. Two points on the wire, separated by a distance of 0.25 m, have a phase difference of 22.5°....
When a guitar string is plucked, it causes a longitudinal sound wave in the air, as shown. [Figure 23.1] The speed of sound in the air is 340 m s⁻¹...
A police car has a two-tone siren emitting sound of frequencies of 700 Hz and 1000 Hz. The police car is travelling at a speed of 40.0 m s⁻¹ toward...
A surveyor's device emits a pulse of light. The light is reflected from a wall 150 m away. What is the time taken for the pulse to travel from the ...
Progressive sound waves of wavelength 20 cm enter the air columns in a closed pipe P and an open pipe Q. The lengths of the pipes are shown. [Figur...
What happens when waves pass through a gap equal to their wavelength?