Cambridge & Pearson Edexcel Past Paper Questions
Browse 35,704 questions from Cambridge O-Level & A-Level and Pearson Edexcel IGCSE & IAL exams. Click any question to practice.
An isotope of boron decays to beryllium by β⁺ emission. Which particle is emitted in addition to the β⁺ particle?
What is a reasonable estimate of the weight of an adult human?
What describes a set of data with a high precision?
A ball is released from rest. The distance the ball falls and the time the ball takes to fall that distance are both measured. The percentage unce...
A car has an initial velocity u. The car then moves with constant acceleration a in a straight line through a displacement d. The car reaches a fin...
A bicycle brakes so that it undergoes uniform deceleration from a speed of 8 ms⁻¹ to 6 ms⁻¹ over a distance of 7 m. The deceleration of the bicycl...
The velocity-time graph for an object is shown. [Figure 7.0] Which expression gives the total displacement of the object?
Which statement describes the weight of an object?
What is a statement of the principle of conservation of momentum?
The diagram shows the view from above of two balls moving along a horizontal frictionless surface before they collide. The momentum of each ball is...
A skydiver is falling at constant velocity. She then opens her parachute. The graph shows the variation with time of her velocity. [Figure 11.0] W...
Two different blocks, P and Q, slide towards each other on a horizontal frictionless surface. The blocks have an elastic collision. The diagram sh...
Which diagram shows a couple?
The diagram shows a uniform bar of mass M and length L resting on a pivot at a distance x from end X. [Figure 14.0] An object of mass m is placed ...
The mass and volume of an object are varied. Which two changes, when made together, must increase the density of the object?
On Earth, a solid object that is fully submerged in a liquid experiences an upthrust U_E. On Mars, the same object, fully submerged in the same li...
A student attempts to derive the formula for kinetic energy E_K. She begins by considering an object of mass m that is initially at rest. A constan...
A ball falls towards the ground from point X. Point X is 2.4 m above the ground. The ball rebounds from the ground and rises to point Y. Point Y i...
The diagram shows a block on a slope. [Figure 19.0] A constant force of 1.8 N in a direction parallel to the slope is exerted on the block. This c...
A platform is supported by a spring. A box is placed onto the platform. The diagram shows the spring before and after the box is placed onto it. [F...
A copper wire has length 1.7 m and uniform diameter 0.64 mm. The Young modulus of copper is 1.2 × 10¹¹ Pa. What is the spring constant of the wire?
The graph shows how the extension of a spring varies with the force used to stretch it. [Figure 23.0] What is the elastic potential energy of the ...
Which row describes a progressive longitudinal wave?
What is the phase difference between points P and Q on the progressive wave shown in the diagram? [Figure 25.0]
The graph shows the variation of displacement with distance for two progressive waves X and Y of the same type in the same medium. [Figure 26.0] T...
A moving source emits sound of frequency 1200 Hz. A stationary observer hears sound of frequency 960 Hz. The speed of the sound is 340 ms⁻¹. What...
A light wave passes through a single slit and a diffraction pattern forms. What happens to the frequency and the speed of the wave when it is diff...
The equation nλ = dsin θ can be used with a diffraction grating to find the wavelength of visible light. Which quantity is not correct for use in ...
Two progressive sound waves move in opposite directions and superpose to form a stationary wave. Which statement describes an antinode of this sta...
A student connects two loudspeakers to a signal generator. [Figure 31.0] As the student walks from P to Q, he notices that the loudness of the sou...
The current in a resistor of constant resistance is 8.0 mA. The power dissipated by the resistor is P. The current in the resistor is increased to...
A piece of wire X has resistivity ρ, length L and cross-sectional area A. Wire X has a resistance R. A second piece of wire Y is made of a differe...
A cell of electromotive force (e.m.f.) E delivers a charge Q to an external circuit. Which statement is correct?
The diagram shows a circuit with a battery of electromotive force (e.m.f.) 60 V and negligible internal resistance, a 20 kΩ resistor, a thermistor ...
A potentiometer circuit is used to determine the electromotive force (e.m.f.) E_X of a cell. The circuit includes a second cell of known e.m.f. E₀ ...
The principles of conservation of which two quantities are associated with Kirchhoff's first and second laws?
An up quark in a hadron changes to a down quark. The elementary charge is e. What is the magnitude of the change in the charge of the hadron?
A nucleus of magnesium-23 decays to form a nucleus of sodium-23, emitting a β⁺ particle and particle X. What is particle X?
A nucleus of ²³⁸₉₂U decays in stages by emitting α-particles and β⁻ particles, eventually forming a nucleus of ²⁰⁶₈₂Pb. How many α-particles and h...
Which compound contains two different elements with identical oxidation states?
For the element sulfur, which pair of ionisation energies has the largest difference between them?
Which ion has both more electrons than protons and more protons than neutrons? [H = ¹H; D = ²H; O = ¹⁶O]
Which species contains the smallest number of electrons?
Nitric oxide, NO, and bromine vapour react together according to the following equation. 2NO(g) + Br₂(g) → 2NOBr(g) ΔH = -23 kJ mol⁻¹ The reaction ...
Which series shows molecules in order of increasing bond angle?
What is the volume of steam produced when 1.00g of ice is heated to 323°C at a pressure of 101 kPa?
Solid carbon dioxide, CO₂, is similar to solid iodine, I₂, in its structure and properties. Carbon is in Group 14. Silica, SiO₂, is a Group 14 comp...
An article in a science magazine contains the following statement. 'It is lighter than a feather, stronger than steel, yet incredibly flexible and ...
Which equation has an enthalpy change of reaction which corresponds to the standard enthalpy change of atomisation of chlorine?
In an experiment, 2.00 mol of hydrogen and 3.00 mol of iodine were heated together in a sealed container and allowed to reach equilibrium at a fixe...