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2.2.1 Thermal expansion of solids, liquids and gases

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Question 18

A metal washer (a flat circular disk with a central circular hole) is heated uniformly. What happens to its outer diameter and the diameter of the central hole?

A

Both the outer diameter and the hole diameter increase.

B

The outer diameter increases, but the hole diameter decreases.

C

The outer diameter increases, and the hole diameter remains unchanged.

D

Both the outer diameter and the hole diameter decrease.

Markscheme

2.2.1 Thermal expansion of solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.2.1 Thermal expansion of solids, liquids and gases

96 exam-style questions on CIE IGCSE Physics 2.2.1 Thermal expansion of solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

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