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 particle has mass m, charge +q and speed v. The particle enters a uniform magnetic field of flux density B such that, on entry, it is moving norm...
A solenoid S is wound on a soft-iron core, as shown in [Figure 9.1]. A coil C having 120 turns of wire is wound on to one end of the core. The area...
Some of the electron energy bands in a semiconductor material at the absolute zero of temperature are shown in [Figure 10.1]. Use band theory to ex...
A stationary isolated nucleus emits a γ-ray photon of energy 0.51 MeV.
The variation with time t of the number N of undecayed nuclei in a sample of a radioactive isotope is shown in [Figure 12.1].
State what is meant by an ideal gas.
Define specific latent heat of fusion.
A U-tube contains liquid, as shown in Fig. 4.1. [Figure 4.1] The total length of the liquid column is L. The column of liquid is displaced so that ...
In radio communication, the radio wave is usually modulated. State what is meant by amplitude modulation (AM).
State what is meant by the electric potential at a point,
A circuit incorporating an ideal operational amplifier (op-amp) is shown in Fig. 7.1. [Figure 7.1] The variation with temperature θ of the resistan...
A Hall probe is placed near one end of a solenoid that has been wound on a soft-iron core, as shown in Fig. 9.1. [Figure 9.1] The current in the so...
The root-mean-square (r.m.s.) value of the voltage of a sinusoidal alternating supply is 9.9 V. The frequency of the supply is 50 Hz. Derive an exp...
State what is meant by nuclear fusion and nuclear fission.
State what is meant by gravitational potential at a point.
State two advantages of the transmission of data in digital form, compared with the transmission in analogue form. 1. ................................
Define electric potential at a point.
infinite bandwidth, .[2]
Explain what is meant by a magnetic field.
State Faraday's law of electromagnetic induction. ..[2]
State what is meant by radioactive decay. [3]
A student is investigating how the boiling point of a salt solution varies with pressure. It is suggested that the relationship between the Celsius...
A student is investigating the electric potential near a charged metal sphere. The sphere is suspended from the ceiling as shown in Fig. 2.1. [Figu...
A student is investigating how the rate at which water evaporates varies with temperature. It is suggested that the relationship between the volume...
A student is investigating the current in a circuit. The circuit is set up as shown in Fig. 2.1. [Figure 2.1] Resistors, each of resistance R, are ...
A cyclist has a speed of 5 m s⁻¹ and a small car has a speed of 12 m s⁻¹. Which statement does not give a reasonable estimate?
Which expression gives an SI base quantity?
Which list contains only scalar quantities?
A micrometer is used to measure the 28.50 mm width of a plastic ruler. The micrometer reads to the nearest 0.01 mm. What is the correct way to reco...
The sides of a wooden block are measured with calipers. The lengths of the sides are measured as 20.0 mm, 40.0 mm and 10.0 mm. [Figure showing a wo...
A ball is thrown vertically upwards from ground level and reaches a maximum height of 12.7 m before falling back to ground level. Assume air resist...
A snooker ball has a mass of 200 g. It hits the cushion of a snooker table and rebounds along its original path. The ball arrives at the cushion wi...
A tennis ball is released from rest at time t = 0 and falls through air for a long time. Which graph of its displacement s against time t best repr...
The space probe Rosetta was designed to investigate a comet. The probe consisted of an orbiter and a lander. The orbiter had a mass of 170 kg and t...
A positively charged oil droplet falls in air in a uniform electric field that is vertically upwards. The droplet has a constant terminal speed v₀ ...
A rigid uniform bar of length 2.4 m is pivoted horizontally at its midpoint. [Figure showing a pivoted bar with 200 N weight at 0.8 m left and 300 ...
Two coplanar forces act on an object as shown. [Figure showing two forces originating from an object, one pointing up-right and another pointing ri...
Four measuring cylinders are filled with the same liquid to the heights shown. [Figure showing four measuring cylinders A, B, C, D with different l...
The gas in an engine does work on a piston of cross-sectional area 80 cm². The pressure on the piston has a constant value of 4.6 × 10⁵ Pa. [Figure...
A power station using coal as fuel has an average power output of 3000 MW. Coal is supplied by 20 trains each day. The efficiency of the station in...
A wooden cylinder floats partially submerged in a bath of water. A force F is applied to the cylinder until it is just fully submerged. [Figure sho...
The motor of a crane lifts a load of mass 600 kg. The load rises vertically at a constant speed of 12 m per minute. What is the useful power output...
The graph shows the effect of applying a force of up to 5.0 N to a spring. [Figure showing a graph of spring length/cm against force/N, starting at...
A transverse wave is travelling along a rope. The frequency of the wave is 2.0 Hz. The graph shows the variation with distance of the displacement ...
The two graphs represent the same wave. Graph 1 shows the variation with time of the displacement at a particular distance. Graph 2 shows the varia...
A microphone is connected to a cathode-ray oscilloscope (CRO). When a tuning fork is struck and then held next to the microphone, the following wav...
A loudspeaker emitting a constant frequency of 2000 Hz is swung in a horizontal circle with a speed of 15.0 m s⁻¹. A stationary observer is level w...
Two electromagnetic waves have wavelengths of 5.0 × 10⁻⁷ m and 5.0 × 10⁻² m. Which row identifies the regions of the electromagnetic spectrum to wh...
An electromagnetic wave is incident normally on a diffraction grating. A second-order maximum is produced at an angle of 30° to a normal to the gra...
P is a point near to charge X as shown. [Figure showing a point X, and a point P to its right.] When a negatively charged test charge is placed at ...