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2.2.1 Thermal expansion of solids, liquids and gases

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Question 62

A metal washer with a central circular hole is heated uniformly. Which of the following statements correctly describes what happens to the outer diameter of the washer and the diameter of the hole?

A

Both the outer diameter and the diameter of the hole increase.

B

The outer diameter increases, but the diameter of the hole decreases.

C

The outer diameter increases, but the diameter of the hole remains the same.

D

Both the outer diameter and the diameter of the hole 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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