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2.3 Transfer of thermal energy

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Question 165

Which row in the table correctly identifies the surface that is the worst emitter of infra-red radiation and the surface that is the best reflector of infra-red radiation?

Worst emitterBest reflector
AMatte black surfaceMatte black surface
BMatte black surfaceShiny silver surface
CShiny silver surfaceMatte black surface
DShiny silver surfaceShiny silver surface
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

2.3 Transfer of thermal energy Questions

  1. IGCSE
  2. /Physics
  3. /2.3 Transfer of thermal energy

301 exam-style questions on CIE IGCSE Physics 2.3 Transfer of thermal energy, covering 2.3.1a Thermal conductors and thermal insulators, 2.3.1b Explaining thermal conduction, 2.3.2 Convection, 2.3.3a Thermal radiation, 2.3.3b Surface colour and texture, 2.3.3c Rate of emission and absorption of radiation, and 2.3.4 Consequences of thermal energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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