Cambridge IGCSE Physics practice

Paper 3 structured question: Particle model

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Paper

Marks

Topic

Particle model

Exam-style question

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Paper 3Theory (Core)3 marks

Explaining the relationship between volume and pressure.

Description

A gas is compressed in a cylinder, reducing its volume while keeping the temperature constant.

a
Explain the relationship between the volume of a gas and its pressure when temperature is constant.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)1 marks

Description

A gas is contained in a cylinder with a movable piston. The temperature of the gas is increased while keeping the volume constant.

a
State the effect of increasing the temperature on the pressure of the gas.
Your answer
Aim for approximately 1 distinct marking point.
[1]