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.
4 Piezo-electric transducers are used for the generation of ultrasonic waves. (a) State one other use, apart from in ultrasound, of piezo-electric ...
5 A geostationary satellite orbits the Earth with a period of 24 hours. (a) State (i) the direction of the orbit about the Earth, (ii) the position...
6 (a) State what is meant by electric field strength. (b) An isolated metal sphere A of radius 26cm is positively charged. Sphere A is shown in Fig...
7 (a) Explain what is meant by the capacitance of a parallel plate capacitor. (b) A parallel plate capacitor C is connected into the circuit shown ...
8 (a) Negative feedback is often used in amplifiers incorporating an operational amplifier (op-amp). State (i) what is meant by negative feedback, ...
9 A rigid copper wire is held horizontally between the pole pieces of two magnets, as shown in Fig. 9.1. [Figure 9.1] The width of each pole piece ...
10 (a) State Faraday's law of electromagnetic induction. (b) A coil of insulated wire is wound on to one end of a ferrous core and connected to a b...
11 (a) (i) Explain what is meant by a photon. (ii) By reference to intensity of light, state one piece of evidence provided by the photoelectric ef...
12 An X-ray beam is used to produce an image of a model of a thumb. A parallel beam of X-ray radiation of intensity I₀ is incident on the model, as...
13 (a) State what is meant by radioactive decay. (b) The variation with time t of the number N of technetium-101 nuclei in a sample of radioactive ...
A gravitational field may be represented by lines of gravitational force. State what is meant by a line of gravitational force.
Use one of the assumptions of the kinetic theory of gases to explain why the potential energy of the molecules of an ideal gas is zero.
During melting, a solid becomes liquid with little or no change in volume. Use kinetic theory to explain why, during the melting process, thermal e...
State two conditions necessary for a mass to be undergoing simple harmonic motion.
In radio communication, the bandwidth of an FM transmission is greater than the bandwidth of an AM transmission. State what is meant by bandwidth,
Explain what is meant by the capacitance of a parallel plate capacitor.
Negative feedback is often used in amplifiers. State what is meant by negative feedback,
Explain how a uniform magnetic field and a uniform electric field may be used as a velocity selector for charged particles.
State what is meant by the magnetic flux linkage of a coil.
Describe the photoelectric effect.
Describe the basic principles of CT scanning (computed tomography).
State what is meant by radioactive decay.
State Newton's law of gravitation.
State what is meant by the internal energy of a system.
Piezo-electric transducers are used for the generation of ultrasonic waves.
A geostationary satellite orbits the Earth with a period of 24 hours.
State what is meant by electric field strength.
State what is meant by negative feedback,
A rigid copper wire is held horizontally between the pole pieces of two magnets, as shown in Fig. 9.1. [Figure 9.1] The width of each pole piece is...
State Faraday's law of electromagnetic induction.
Explain what is meant by a photon.
An X-ray beam is used to produce an image of a model of a thumb. A parallel beam of X-ray radiation of intensity I₀ is incident on the model, as il...
A student is investigating the force between two charged metal spheres S and T, as shown in Fig. 1.1. [Figure 1.1] Each sphere may be charged by co...
A student is investigating monochromatic light passing through a diffraction grating. A series of maxima are produced on a screen, as shown in Fig....
A student is investigating the reflection of light from a compact disc (CD), as shown in Fig. 1.1. [Figure 1.1] The student observes on the screen ...
A student is investigating the charging of a capacitor. A circuit is set up as shown in Fig. 2.1. [Figure 2.1] The capacitor is initially discharge...
What is equivalent to 2000 microvolts?
What is the number of SI base units required to express electric field strength and power?
The Planck constant h has SI units Js. Which equation could be used to calculate the Planck constant?
Two cables are attached to a bracket and exert forces as shown. [Figure 4.1] What are the magnitudes of the horizontal and vertical components of t...
A student wishes to determine the density ρ of lead. She measures the mass and diameter of a small sphere of lead: mass = (0.506 ± 0.005) g diamete...
Two quantities p and q are directly proportional to each other. Experimental results are taken and plotted in a graph of q against p. Which graph s...
The graph shows how a physical quantity varies with time. [Figure 8.1] Which event could best be represented by the graph?
What describes the mass of an object?
A car has mass m. A person needs to push the car with force F in order to give the car acceleration a. The person needs to push the car with force ...
Two bar magnets P and Q are mounted on floats which can slide without friction along an air track. [Figure 11.1] The two magnets slide towards each...
A submarine descends vertically at constant velocity. The three forces acting on the submarine are viscous drag, upthrust and weight. Which relatio...
A small positive charge can move inside a uniform electric field. [Figure 13.1] The charge moves along different straight paths between points P, Q...
A car of mass m travels at constant speed up a slope at an angle θ to the horizontal, as shown in the diagram. Air resistance and friction provide ...
A volume of 1.5 m³ of water is mixed with 0.50 m³ of alcohol. The density of water is 1000 kg m⁻³ and the density of alcohol is 800 kg m⁻³. The vol...