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.
A neutron within a nucleus decays to produce a proton, a β⁻ particle and an (electron) antineutrino. n → p + β⁻ + ν̄
One end of a wire is connected to a fixed point. A load is attached to the other end so that the wire hangs vertically. The diameter d of the wire ...
Define the moment of a force.
A spring is attached at one end to a fixed point and hangs vertically with a cube attached to the other end. The cube is initially held so that the...
Define the coulomb.
State what is meant by an electric current.
A stationary nucleus X decays by emitting a ẞ⁺ particle to form a nucleus of carbon-13 (¹³C). An incomplete equation to represent this decay is X →...
Answer all the questions in the spaces provided. (b) All bodies radiate energy. The power P radiated by a body is given by P = kAT⁴ where T is the...
A liquid of density ρ fills a container to a depth h, as shown in Fig. 2.1. [Figure 2.1] The base of the container has area A. (c) The liquid in t...
(a) State the principle of conservation of momentum. (b) Ball A moves with speed v along a horizontal frictionless surface towards a stationary bal...
(a) By reference to the direction of propagation of energy, explain what is meant by a longitudinal wave. (b) A car horn emits a sound wave of freq...
(a) Define electric field strength. (b) Two parallel metal plates in a vacuum are separated by 0.045m. A potential difference V is applied between ...
A filament lamp is rated as 30W, 120V. A potential difference of 120V is applied across the lamp.
(a) A nucleus X decays by emitting a β⁺ particle to form a new nucleus, ²³₁₁Na. State the number of nucleons and the number of neutrons in nucleus ...
In this experiment, you will investigate the motion of a Y-shaped pendulum.
In this experiment, you will investigate the appearance of a line viewed through a jar containing water.
In this experiment, you will investigate the rotational motion of a mass.
In this experiment, you will investigate the equilibrium of a metre rule supported by springs.
State, by reference to simple harmonic motion, what is meant by angular frequency.
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]
State Coulomb's law for the force between two point charges.
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...
In computed tomography (CT scanning), it is necessary to take a series of many X-ray images. Outline briefly the principles of CT scanning.
The mean value of an alternating current is zero. Explain why heating occurs when there is an alternating current in a resistor.
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...
Explain the principles behind the generation of ultrasound waves for diagnosis in medicine.
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...
A metal surface is illuminated with light of a single wavelength λ. On Fig. 10.1, sketch the variation with λ of the maximum kinetic energy EMAX 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.
State
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?