Cambridge & Pearson Edexcel Past Paper Questions

Four identical measuring cylinders contain liquid. Two contain water of density 1000 kg/m³. Two contain paraffin of density 800 kg/m³. Which cylind...

The diagram represents parts of a power station. What is the order of the energy changes taking place?

The centre of the Sun produces large amounts of energy. What is the source of this energy?

A crane lifts a weight of 1000 N through a vertical height of 30 m. It uses 60 000 J of energy. What is the efficiency of the crane?

According to the kinetic theory, matter is made up of very small particles in a constant state of motion. Which row best describes the particle beh...

A balloon filled with air is gently heated. What happens to the mass and the density of the air inside the balloon?

A certain liquid is used in a liquid-in-glass thermometer. It does not expand uniformly with temperature. What effect will this have on the scale o...

An ice pack is used to cool 0.25 kg of water. The specific heat capacity of water is 4.2 kJ/(kg°C). How much thermal energy (heat) must the ice pac...

Fillings in teeth should be made from a material which

The displacement-distance and displacement-time graphs are for a water wave in a ripple tank. What is the speed of the water wave?

A ray of light strikes a plane mirror and is reflected. Which pair of angles must be equal in value?

In which diagram is the path of the light ray not correct?

The ray diagram shows two rays from a point on an object placed in front of a diverging (concave) lens. What are the properties of the image produced?

Which application may use the part of the electromagnetic spectrum called microwaves?

Sound travels at different speeds in air, water and steel. For these materials, which row is correct?

Which list contains an example of a non-magnetic material, a magnetic material and a magnetised material?

To charge an isolated metal sphere by induction, the following four processes are required. P The sphere is earthed by touching it. Q The earth con...

The potential difference (p.d.) across a 10Ω resistor is 5V. How much charge passes through the 10Ω resistor in 30 seconds?

Which changes both cause a decrease in the resistance of a copper wire?

The diagram shows a circuit. What is the reading on the ammeter when the switch is open, and the reading when it is closed?

The diagram shows a circuit. The lamp is a 12W lamp and is working at normal brightness. What are the readings on the meters?

A lamp rated 6 V, 2A is switched on for 60 s. How much energy is used?

The diagram shows three pairs of parallel wires with the currents in the directions shown. For each pair of wires, what are the forces between the ...

The coil in an electric motor is wound onto a cylinder. Why is the cylinder made of soft iron?

The electromotive force (e.m.f.) induced in a conductor moving at right-angles to a magnetic field does not depend upon

The diagram shows part of an a.c. generator when its coil is in a horizontal position. The graph shows the voltage output plotted against time. Whi...

An alternating voltage of frequency 0.5 Hz is applied to the Y-plates of a cathode-ray oscilloscope (c.r.o.). The diagram shows the screen of the c...

Tritium is a radioactive isotope of hydrogen with a half-life of 12 years. If a sample starts with 40 million atoms of tritium, how many atoms of t...

A radioactive nuclide ²³⁸₉₂U decays into thorium by emitting an alpha-particle. The thorium then decays into protactinium by emitting a beta-partic...

Chlorine exists as two isotopes. One has a nucleon number (mass number) of 35 and the other has a nucleon number (mass number) of 37. Which table s...

A manufacturer measures accurately the dimensions of a wooden floor tile. The approximate dimensions of the tile are shown. length 0.4 m width 0.08...

Which pair of quantities includes one scalar and one vector?

The speed-time graph represents the journey of a car. The dots separate different sections of the journey. There are six different sections. How ma...

A steel ball is released just below the surface of thick oil in a cylinder. During the first few centimetres of travel, what is the acceleration of...

A hard stone hits the ground and comes to rest almost immediately. As the stone hits the ground, what is the direction and the size of the force ac...

A car of mass 1500 kg is towing a trailer of mass 1100 kg along a level road. The acceleration of the car is 1.30 m/s². Ignoring friction and air r...

A beam pivoted at one end has a force of 5.0 N acting vertically upwards on it as shown. The beam is in equilibrium. What is the weight of the beam?

Four objects of equal mass rest on a table. The centre of mass of each object is labelled G. Which object is the least stable?

A 100 g mass is suspended from a spring next to a vertical metre rule. The top of the spring is level with the 0.0 cm mark. The bottom of the sprin...

A block of metal is taken from the Earth to the Moon. Which property of the block changes?

The diagram shows a mercury manometer connected to a gas container. The density of mercury is 13600 kg/m³. The gravitational field strength g is 10...

A partially-inflated balloon is placed inside a bell jar. The bell jar is connected to an air pump. The air pump is switched on and air is removed ...

A ball is held at rest on one side of a curved track. The ball is released. It rolls down one side of the track and part of the way up the other si...

A transformer connected to a 240V mains supply is used to light a 24 W lamp. The input current to the transformer is 0.11A and the input voltage is...

A gas is enclosed in a container of fixed volume. It gains heat energy from an external source. What happens to the molecules of the gas?

Four containers are filled with equal volumes of water at the same temperature. Containers A and B are shaded by a tree. Sunlight falls on containe...

A rod of metal is heated at one end. Which statement best describes the conduction of heat through the metal?

Many gas appliances such as ovens and heaters use a small flame to ignite the main burner. To make sure that the small flame is burning, a temperat...

A hot liquid is allowed to cool. The graph shows the cooling curve. In which part of the curve is latent heat released?

For the same temperature rise and the same original volume, which of the three states of matter expands the most and which state expands the least?