Skip to content

Course home

Sign up

2.3.1a Thermal conductors and thermal insulators

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263
Question 27

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

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

A

the lattice vibrations of iron ions and the movement of free electrons along the rod

B

the movement of high-energy iron ions along the rod

C

the lattice vibrations of iron ions only

D

the movement of free electrons along the rod 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.

Question bank