Cambridge & Pearson Edexcel Past Paper Questions

The base of a cloud is negatively charged. The cloud is over a metal mast as shown. Which row describes the charge induced at the top of the mast a...

An aircraft flying through the air becomes electrically charged. What causes this to happen?

An a.c. supply connected to an oscilloscope produces the trace shown. A diode is now connected in series to the circuit as shown. What is the new t...

A lamp is connected to a mains plug. Where are the switch and the fuse connected so that the lamp is safe to use? switch fuse live wire live wire l...

The input voltage to a transformer is 24 V a.c. and the output voltage is 6.0 V. The input coil has 720 turns. How many turns are on the output coil?

A student suggests four conditions for the production of a continuous flow of electrons from a metal filament. 1 The filament is hot. 2 A high-pres...

The diagram shows the trace on an oscilloscope screen when connected to a d.c. supply which is being switched on and off. The settings of the Y-gai...

A narrow beam of radiation from a radioactive source travels out of the page through the point X. The poles of a magnet are placed on either side o...

Which word is the name of a vector quantity?

What is the size of the resultant of the two forces shown in the diagram?

What is the correct unit for the quantity shown?

Part of a speed-time graph for two runners is shown. They are running along the same track. Which statement must be correct?

The graph shows how the speed of a car varies with time. Which statement about the acceleration of the car between the times 10s and 20 s is correct?

In which descent is the acceleration equal to the acceleration of free fall g at all times?

A body slides down a frictionless slope, as shown. As the body presses on the surface, the surface pushes back on the body. In which direction does...

The Earth travels at constant speed in a circular orbit around the Sun. Which arrows show the direction of the acceleration of the Earth and the di...

The diagram shows three tubes P, Q and R. Each tube contains air trapped by a water column. Which statement is correct?

An object X has mass m and velocity v. A second object Y has mass 2m and velocity 2v. What is the value of the ratio kinetic energy of Y / kinetic ...

A student uses a newton meter to pull an object a distance d horizontally along a flat surface in a time of t. The newton meter reading is F. What ...

A student is given a thermometer that reads 1°C in pure melting ice and 101°C in pure boiling water. She uses it to measure the temperature of some...

A student makes four statements about evaporation and boiling. 1 Both involve an increase in molecular separation. 2 Both occur only at a fixed tem...

How is specific latent heat defined?

A syringe containing air is sealed at one end. The piston is free to move. The air is heated. What happens to the average distance between air mole...

A metal disc is heated to 600 °C and then lowered into a beaker of water. What happens to the mass of the metal disc and to the mass of the water i...

Which description defines the amplitude of a water wave in a ripple tank?

Here are four statements about wavefronts. 1 Wavefronts from a point source are straight lines. 2 Wavefronts from a point source are circular. 3 Wa...

An object O is placed in front of a plane mirror. I is the image formed. A ray from the top of the object is incident on the mirror at X. What happ...

The diagram shows light passing from glass into air. What is the name of angle P?

An object is placed in front of a converging lens of focal length 4.0 cm. The height of the image is 6.0 cm. The arrangement is shown on the scale ...

Which row shows the speed of sound in air (ca), liquid (c₁) and solid (cs) in order from slowest to fastest?

A man stands 80 m in front of a cliff face. He makes a loud bang and listens for the echo. He makes a loud bang once every second. He hears an echo...

The diagram shows two magnetic field lines of the magnetic field around two bar magnets. Which row shows the magnetic poles at end P and end Q of t...

A metal plate X is attached to earth by a battery. The plate has a positive charge. A second metal plate Y is initially uncharged and connected to ...

The diagram shows a metal lightning conductor attached to a building. Why is the lightning conductor made of copper?

Which symbol does not represent a power source?

A hotplate on an electric cooker contains two identical resistors. The switch has three positions. position 1 The two resistors are connected in se...

A mains electric circuit is fitted with a circuit breaker rather than a fuse. Where is the circuit breaker connected and what happens when the curr...

Transformers are used to transmit electrical energy between power stations and transmission cables, as shown. What is the purpose of the transforme...

A thermistor warms up as the current in it increases. Which graph shows how the voltage V across the thermistor changes as the current I through it...

Radioactive substances are used as tracers in medical examinations. A liquid tracer is injected into a patient. A detector 20 cm above the patient ...

An isotope of lead, 212/82 Pb, is radioactive. After three decays, two beta-particles and an alpha-particle have been emitted. Another radioactive ...

Fig. 1.1 shows a tube full of mercury placed upside down in a dish of mercury. Initially a small piece of glass closes the open end of the tube. [F...

A small coin of mass m is initially at rest. It is dropped from a height h above ground level. The coin has a speed v as it hits the ground. The gr...

A saucepan of water is placed on an electric hotplate and the water is brought to the boil. As the water boils, it changes from a liquid into a gas.

Fig. 4.1 represents the electromagnetic spectrum. [Figure 4.1] The shaded region in the middle is the visible light spectrum.

An electronic balance is calibrated to display the weight of an object that is placed on its top plate. Fig. 5.1 shows the balance with an empty me...

A 60W filament lamp is powered by the 240 V mains electricity supply. The lamp is switched on.

Table 7.1 shows the composition of four neutral atoms and one atom that has been ionised. These five particles are labelled P, Q, R, S and T. [Tabl...

A small electric component in a circuit needs to be protected from a strong, external magnetic field.

Fig. 9.1 shows the structure of a water cooler that is used to supply cold water to the workers in a hot office. [Figure 9.1]