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

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Question 111

When a cold gas is heated, its internal energy increases.

What causes this?

A

an increase in the kinetic energy of the gas particles

B

an increase in the gravitational potential energy of the gas particles

C

a decrease in the average speed of the gas particles

D

a decrease in the average distance of separation of the gas particles

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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