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2.3.1a Thermal conductors and thermal insulators

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Question 50

A copper rod is heated at end A. Which statement best explains how thermal energy is conducted from end A to end B?

A

Energy is transferred by the vibration of metal ions and the diffusion of free electrons.

B

Energy is transferred by the vibration of metal ions only.

C

Energy is transferred by the movement of metal ions and the vibration of free electrons.

D

Energy is transferred by the diffusion of free electrons only.

Markscheme

2.3.1a Thermal conductors and thermal insulators Questions

  1. IGCSE
  2. /Physics
  3. /2.3.1a Thermal conductors and thermal insulators

67 exam-style questions on CIE IGCSE Physics 2.3.1a Thermal conductors and thermal insulators. Each one has a worked solution and a mark scheme showing where the marks go.

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