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.
In this experiment, you will measure the efficiency of a small electric heater constructed from a coil of wire. You are provided with a circuit con...
You will investigate the refraction of light through a transparent block. You are provided with: • a rectangular transparent block • an illuminated...
You will measure the average mass of a marble (glass ball) and investigate the speed of a marble rolling down a slope. You are provided with: • a s...
A solar cell is a device that can generate electrical power when light falls on it. You are given a solar cell connected to a fixed resistor as in ...
In this experiment you will investigate a light dependent resistor (LDR). You are provided with: • a power supply • a switch • a voltmeter with two...
In this experiment, you will investigate the absorption of thermal radiation by different coloured surfaces. You are provided with: • a lamp connec...
In this experiment you will use a balancing method to determine the mass of a metre rule. You have been provided with: • a metre rule with a millim...
A student investigates the rate of cooling of hot water in a beaker. Plan an experiment to investigate the relationship between the thickness of th...
A student measures the efficiency of a small electric heater.
A student investigates the refraction of light through a transparent block.
A student measures the average mass of a marble (glass ball) and investigates the speed of a marble rolling down a slope.
A student investigates a light dependent resistor (LDR). The student constructs a series circuit consisting of a power supply, the LDR, a 560 Ω res...
A student investigates the absorption of thermal radiation by different coloured surfaces. The student has arranged a thermometer which has a piece...
A student uses a balancing method to determine the mass of a metre rule.
The prefixes nano (n), micro (μ) and pico (p) are often used with units. Which row shows their correct values?
A crane has an arm to which is attached a frictionless pulley. A cable passes over the pulley and supports a load of 10 kN as shown. [Figure 2.1] T...
The SI unit of specific heat capacity is J kg⁻¹ K⁻¹. What is the unit of specific heat capacity expressed in SI base units?
Quantity X has a fractional uncertainty of x. Quantity Y has a fractional uncertainty of y. What is the fractional uncertainty in X/(Y²)?
PQR and XYZ are wires in a circuit. A galvanometer connects Q and Y as a null indicator. [Figure 5.1] When the galvanometer reads zero, which state...
An object has an initial velocity u and an acceleration a. The object moves in a straight line through a displacement s and has final velocity v. T...
A car is travelling at constant velocity. Its brakes are then applied, causing uniform deceleration. Which graph shows the variation with distance ...
A ball is thrown across a flat field. [Figure 8.1] Which statement describes the motion of the ball, when the effects of air resistance are ignored?
Which statement defines force?
A particle of mass m, travelling with speed u, collides with a stationary particle of mass M. The velocities of the two particles before and after ...
An object falls freely from rest in a vacuum. The graph shows the variation with time t of the velocity v of the object. [Figure 11.1] Which graph,...
The diagram shows a uniform beam PQ. The length of the beam is 3.0 m and its weight is 50 N. The beam is supported on a pivot 1.0 m from end P. A l...
Two forces, each of magnitude F, act at points V and W on an object. The two forces form a couple. The shape of the object is a right-angled triang...
A giant squid of length 20.0 m is vertical in seawater, with the top of the squid at a depth of 8.00 m. The density of seawater is 1050 kg m⁻³. Wha...
The force diagram shows an aircraft accelerating. At the instant shown, the velocity of the aircraft is 40 m s⁻¹. [Figure 15.1] At which rate is it...
A man is running in a straight line. What is an approximate value of his kinetic energy?
The pump of a water pumping system uses 2.0 kW of electrical power when raising water. The pumping system lifts 16 kg of water per second through a...
A metal wire is stretched by a load. The force-extension graph is shown. [Figure 18.1] What is represented by the area under the whole graph?
The Young modulus of steel is twice that of copper. A 50 cm length of copper wire of diameter 2.0 mm is joined to a 50 cm length of steel wire of d...
With which types of wave can the Doppler shift be observed?
A distant star is receding from the Earth with a speed of 1.40 × 10⁷ m s⁻¹. It emits light of frequency 4.57 × 10¹⁴ Hz. The speed of light is 3.00 ...
The graph shows the variation with time of the displacement of two separate waves X and Y. [Figure 22.1] Wave X has frequency f and amplitude A. Wh...
Diffraction is a term used to describe one aspect of wave behaviour. What does diffraction make possible?
The diagram represents the pattern of stationary waves formed by the superposition of sound waves from a loudspeaker and their reflection from a me...
A musical instrument called a bugle is a long tube with a mouthpiece at one end. The other end is open and flared, as shown. [Figure 25.1] A musici...
Monochromatic light of wavelength 5.30 × 10⁻⁷ m is incident normally on a diffraction grating. The first order maximum is observed at an angle of 1...
The diagram shows an electron in a uniform electric field. In which direction will the field accelerate the electron? [Figure 27.1]
The electric field strength at a certain distance from an isolated alpha particle is 3.0 × 10⁷ N C⁻¹. What is the force on an electron when at that...
Two large parallel plates X and Y are placed a distance of 5.0 mm apart and connected to the terminals of a 200 V d.c. supply, as shown. [Figure 29...
An electrical conductor has a resistance of 5.6 kΩ. A potential difference (p.d.) of 9.0 V is applied across its ends. How many electrons pass a po...
A fixed resistor of resistance 12 Ω is connected to a battery. There is a current of 0.20 A in the resistor. The current is now doubled. What is th...
Which measurements are taken in order to calculate the resistivity of the metal of a piece of wire?
A 12 V battery is charged for 20 minutes by connecting it to a source of electromotive force (e.m.f.). The battery is supplied with 7.2 × 10³ J of ...
Three cells with e.m.f.s V₁, V₂ and V₃, have negligible internal resistance. These cells are connected to three resistors with resistances R₁, R₂ a...
Three resistors, each of resistance R, are connected in a network, as shown. [Figure 35.1] The total resistance between points X and Y is 8.0 Ω. Wh...
In deriving a formula for the combined resistance of three different resistors in series, Kirchhoff's laws are used. Which physics principle is inv...