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2.2.1 Thermal expansion of solids, liquids and gases

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Question 49

When steel railway tracks are laid, small gaps are left between adjacent rails.

Why are these gaps left?

A

Steel expands on hot days.

B

Steel contracts on hot days.

C

The gaps expand on hot days.

D

The rails contract on cold days.

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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