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2.2.1 Thermal expansion of solids, liquids and gases

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Question 77

The temperature of a steel railway track falls from 35∘C35^\circ\text{C}35∘C during a hot afternoon to 12∘C12^\circ\text{C}12∘C at night.

What happens to the railway track?

A

Its mass decreases.

B

Its density decreases.

C

Its length decreases.

D

It becomes heavier.

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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