Cambridge & Pearson Edexcel Past Paper Questions

The battery in a circuit contains two identical cells connected in parallel. Which row shows the relationship between currents I₁ and I₂ and gives ...

The diagram shows the circuit for a hair-dryer. The fan motor has a power rating of 0.10 kW and the heaters each have a rating of 0.40 kW. The cost...

Why are the metal casings of electrical appliances earthed?

The diagram shows a wire XY lying between the poles of a magnet. The ends of the wire are connected to a sensitive ammeter. The wire is moved and a...

Which particles are emitted by a hot metal filament?

A light-emitting diode (LED) is connected to an alternating current (a.c.) supply. The LED flashes on and off. What is the direction of the current...

A narrow beam of alpha-particles is fired at a thin piece of gold foil. What is the final direction of the largest number of alpha-particles?

A nucleus of phosphorus ³²₁₅P emits a beta-particle to form a new nucleus. What is the nucleon number and what is the proton number of the new nucl...

How does a nucleus of the isotope chlorine-37 differ from a nucleus of the isotope chlorine-35?

Which types of radiation may be emitted by radioactive decay?

The speed-time graph represents a short journey. Which distance-time graph represents the same journey?

A free-fall skydiver jumps from a plane. As he falls there is a force acting upwards and a force acting downwards on his body. These produce a resu...

The diagram shows two objects on a beam balance. The beam balance is in equilibrium. Which quantities may be different?

Two blocks are joined together. One block has a density of 6.0g/cm³ and the other has a density of 9.0 g/cm³. What is the overall density of the tw...

A diver of weight 500N stands at the end of a springboard that is 2.0m long and is fixed at point P. The springboard has a weight of 500 N. The cen...

A tennis ball of mass 56 g is travelling at 1500 metres/minute. Which expression is equal to the kinetic energy, in joules, of the tennis ball?

In a hydroelectric power station, 4.2 × 10⁵ kg of water passes through the turbines every second. The turbines are at a height of 50m below the sur...

The diagram shows a mercury manometer connected to a gas container. The density of mercury is 14000 kg/m³. The gravitational field strength g is 10...

A gas syringe contains a fixed mass of air. The volume of the air is 240 cm³ and it exerts a pressure of 5.0 × 10⁴ Pa. The air is slowly compressed...

An extremely large increase in pressure is needed to compress a liquid. A gas can be compressed by a much smaller increase in pressure. Which state...

A dish of liquid is left on a laboratory bench. Some of the liquid evaporates. What happens and why?

What is meant by the heat capacity of a solid object?

The distance between the ice point and the steam point in a liquid-in-glass thermometer is 20 cm. The top of the liquid thread is 12 cm above the i...

A thermocouple is a type of thermometer. Which statement applies to a thermocouple?

A heater is designed to radiate thermal energy. Which change to the design decreases the thermal energy emitted by radiation?

A sound wave in a solid is represented by a series of lines. The diagram shows compressions C and rarefactions R at one instant in time. Which stat...

Which diagram shows reflection by a plane mirror?

Light is incident on a plastic block of refractive index 1.5. The angle of incidence is 50°. What is the angle of refraction?

The ray diagrams, X and Y, show two ways in which a thin converging lens produces an image that is larger than the object. Which devices use a lens...

The diagram shows the electromagnetic spectrum with three components named. The spectrum is in order from long wavelength to short wavelength. Whic...

A compass needle is moved to different places around a strong bar magnet. Which position shows incorrectly the direction of the compass needle?

A plastic block is rubbed with a silk handkerchief and the block becomes charged. What causes the block to become charged?

A negatively-charged rod is brought near to an uncharged metal sphere on an insulating stand. Which diagram shows the charge distribution on the sp...

A 6.0V battery, three resistors and three voltmeters are connected in the circuit shown. The reading on voltmeter 1 is 2.0V. What is the reading on...

A piece of wire has a resistance of 16Ω. The wire is 20 cm long and has a cross-sectional area of 2.0 mm². Which wire of the same material has a re...

The battery in a circuit contains two identical cells connected in parallel. Which row shows the relationship between currents I₁ and I₂ and gives ...

The diagram shows the circuit for a hair-dryer. The fan motor has a power rating of 0.10kW and the heaters each have a rating of 0.40 kW. The cost ...

Why is the coil of an electric motor wound on a soft-iron cylinder?

A straight wire carries a current into the paper. The diagram shows three magnetic field lines around the wire. The current in the wire increases. ...

A circuit includes a thermistor and a light-dependent resistor (LDR). The resistance of the thermistor and the resistance of the LDR both increase....

A sample contains atoms of an isotope that has a half-life of 7.2 years. Which quantity halves every 7.2 years?

A beam, consisting of alpha-particles (α), beta-particles (β), and gamma rays (γ), passes into a magnetic field. Which diagram shows their paths in...

A nucleus of phosphorus ¹⁵P emits a beta-particle to form a new nucleus. What is the nucleon number and what is the proton number of the new nucleus?

Fig. 1.1 shows a painter standing on a wooden plank, directly above the right-hand support. [Figure 1.1] The plank has length 3.6m, width 0.35m and...

Fig. 2.1 shows a can of compressed air that is being used to blow dust off a computer keyboard. [Figure 2.1]

Unwanted gold jewellery is heated in a furnace until it melts. Fig. 3.1 shows the liquid gold being poured into a mould to make a gold bar. [Figure...

Fig. 4.1 shows a mercury-in-glass thermometer made using a glass capillary tube. [Figure 4.1]

Some medical processes involve the use of ultrasound.

EITHER The main part of a cathode-ray oscilloscope consists of a glass tube. At one end of the tube, electrons are emitted by a hot metal filament.

OR Many electronic and digital circuits include logic gates. The NAND gate is a type of logic gate.