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2.3 Transfer of thermal energy

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Question 55

Which statement about the emission and absorption of thermal radiation is correct?

A

Dull, matte black surfaces are poor absorbers of thermal radiation.

B

Shiny, silvery surfaces are excellent emitters of thermal radiation.

C

All objects above a temperature of 0 K0\text{ K}0 K emit thermal radiation.

D

Thermal radiation cannot travel through a vacuum.

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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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