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2.1.2a Particle structure and motion in solids, liquids and gases

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Question 77

Molecules of a gas move randomly inside a sealed container. What happens to the motion of these gas molecules if the temperature of the gas is decreased?

A

Their average speed decreases.

B

Their average speed increases.

C

Their average speed remains constant.

D

They stop moving entirely.

Markscheme

2.1.2a Particle structure and motion in solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.1.2a Particle structure and motion in solids, liquids and gases

151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

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