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

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Question 30

A gas is enclosed in a cylinder fitted with a frictionless, movable piston. The gas is heated, causing it to expand at a constant pressure. What is the effect on the average speed of the gas particles and the average distance between them?

A

Average speed of gas particles decreases, average distance between gas particles stays the same.

B

Average speed of gas particles increases, average distance between gas particles increases.

C

Average speed of gas particles increases, average distance between gas particles stays the same.

D

Average speed of gas particles stays the same, average distance between gas particles increases.

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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