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2.2.1 Thermal expansion of solids, liquids and gases

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Question 25

An electricity worker installs a metal power transmission line tightly between two poles on a very hot summer day.

When winter arrives, the weather becomes extremely cold. What could happen to the transmission line and why?

A

It sags and drops lower because it expands

B

It sags and drops lower because it contracts

C

It snaps (breaks) because it expands

D

It snaps (breaks) because it contracts

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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