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2.3.1a Thermal conductors and thermal insulators

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Question 14

One end of an aluminum rod is heated to a high temperature.

Which mechanism(s) is/are responsible for the transfer of thermal energy to the other end of the aluminum rod?

A

The lattice vibrations of aluminum ions only

B

The movement of high-energy electrons along the rod only

C

Both the lattice vibrations of aluminum ions and the movement of high-energy electrons along the rod

D

The physical movement of heated aluminum ions from the hot end to the cold end

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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