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2.3.1a Thermal conductors and thermal insulators

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Question 51

One end of a solid non-metal insulator (such as a glass rod) is heated.

Which mechanism is primarily responsible for the conduction of thermal energy to the cooler end of the rod?

A

the physical migration of high-energy atoms along the rod

B

both the vibration of atoms within the structure and the diffusion of free electrons

C

the vibration of atoms within the structure only

D

the diffusion of free electrons only

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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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