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.
The diagram shows a ball of weight W hanging in equilibrium from a string. [Diagram] The string is at an angle θ to the vertical. The tension in t...
A steel sphere is dropped vertically onto a horizontal metal plate. The sphere hits the plate with speed u, leaves it at speed v, and rebounds vert...
A car of mass 500 kg is at rest at point X on a slope, as shown. [Diagram] The car's brakes are released and the car rolls down the slope with its...
An elastic material with Young modulus E is subjected to a tensile stress S. Hooke's law is obeyed. What is the expression for the elastic energy ...
The graph shows the length of a spring as it is stretched by an increasing load. [Graph] What is the spring constant of the spring?
Two lasers emit light in a vacuum. One laser emits red light and the other emits green light. Which property of the two laser beams must be differ...
The diagram shows the screen of a cathode-ray oscilloscope (c.r.o.) displaying a wave. [Diagram] The time-base of the c.r.o. is set at 10 ms/divis...
A string is fixed at one end and the other end is attached to a vibrator. The frequency of the vibrator is slowly increased from zero. A series of ...
Which region of the electromagnetic spectrum has waves of wavelength 1000 times smaller than the wavelength of visible light?
The diagram shows apparatus for the measurement of the frequency of a sound wave. [Diagram] Sound of the unknown frequency is reflected back from ...
An astronomer observes the light from a star that is moving away from the Earth. For the observed light, what has been increased due to the star's...
The diagram shows a stationary wave, at time t = 0, that has been set up on a string fixed between points P and S. [Diagram] The nodes of the stat...
A two-source interference experiment uses the apparatus shown. [Diagram] What is the main purpose of the single slit?
Two large parallel metal plates X and Y are situated in a vacuum as shown. [Diagram] Plates X and Y carry equal and opposite charges. What happen...
Four diagrams representing the electric field between two oppositely-charged point charges are shown. Which diagram correctly shows the electric f...
The power output of an electrical supply is 2.4 kW at a potential difference (p.d.) of 240 V. The two wires between the supply and a kettle each ha...
Which graph shows the variation of voltage V with current I for a semiconductor diode?
Four different resistors are arranged as shown. [Diagram] A current of 1.5 A enters the network at junction X and leaves through junction Y. What...
A cell of constant electromotive force drives a current I through an external resistor of resistance R. The terminal potential difference (p.d.) ac...
In the circuits shown, the batteries are identical and all have negligible internal resistance. All of the resistors have the same resistance. The ...
A thermistor is an electrical component with a resistance that varies with temperature. A thermistor T is used in a fire alarm system. The alarm is...
In the α-particle scattering experiment, a beam of α-particles is aimed at a thin gold foil. Most of the α-particles go straight through or are def...
Radon-211, ²¹¹₈₆Rn, francium-210, ²¹⁰₈₇Fr, and radium-212, ²¹²₈₈Ra, are three nuclides. How many neutrons does each nuclide have in its nucleus?
A neutron is composed of one up (u) quark and two down (d) quarks. When the neutron decays to a proton, there is β-emission. What is the change in...
State what is meant by the mass of a body.
For a progressive wave, state what is meant by (i) the period,
When monochromatic light is incident normally on a diffraction grating, the emergent light waves have been diffracted and are coherent. Explain wha...
Define the volt.
A β⁻ particle from a radioactive source is travelling in a vacuum with kinetic energy 460 eV. The particle enters a uniform electric field at a rig...
Define force.
A stationary firework explodes into three different fragments that move in a horizontal plane, as illustrated in Fig. 2.1. [Figure 2.1] The fragmen...
A child on a sledge slides down a steep hill and then travels in a straight line up an ice-covered slope, as illustrated in Fig. 3.1. [Figure 3.1] ...
A loudspeaker producing sound of constant frequency is placed near the open end of a pipe, as shown in Fig. 4.1. [Figure 4.1] A movable piston is a...
A solid cylinder is lifted out of oil by a wire attached to a motor. Fig. 5.1 shows two different positions X and Y of the cylinder during the lift...
A battery of electromotive force (e.m.f.) 8.0V and internal resistance 2.0Ω is connected to a resistor X and a wire Y, as shown in Fig. 6.1. [Figur...
A stationary nucleus X decays to form nucleus Y, as shown by the equation X → Y + β⁻ + ν̄.
Answer all the questions in the spaces provided. (a) An analogue voltmeter is used to take measurements of a constant potential difference across a...
A ball is thrown vertically upwards towards a ceiling and then rebounds, as illustrated in Fig. 3.1. [Figure 3.1] The ball is thrown with speed 9...
4 (a) Define the Young modulus of a material.
State the relationship between the intensity and the amplitude of a wave.
A wire X has a constant resistance per unit length of 3.0 Ω m⁻¹ and a diameter of 0.48 mm.
A graph of nucleon number A against proton number Z is shown in Fig. 7.1. [Figure 7.1] The graph shows a cross (labelled P) that represents a nucle...
In this experiment, you will investigate the oscillations of a mass.
In this experiment, you will investigate the oscillations of a magnet.
In this experiment, you will investigate the motion of a rolling sphere.
In this experiment, you will investigate stationary wave patterns.
In this experiment, you will investigate the motion of an interrupted pendulum.
Answer all the questions in the spaces provided. 1 (a) State Newton's law of gravitation. (b) A distant star is orbited by several planets. Each pl...
A metal plate is made to vibrate vertically by means of an oscillator, as shown in Fig. 2.1. [Figure 2.1] Some sand is sprinkled on to the plate. T...
3 (a) (i) State what is meant by the internal energy of a system. (ii) Explain why, for an ideal gas, the change in internal energy is directly pro...