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O-LevelPhysicsThermal Physics5054/11 · May/June 2020 · Q211 Mark

Which description of a dull black surface is correct?

Agood emitter, good absorber and good reflector of radiation
Bgood emitter, poor absorber and poor reflector of radiation
Cgood emitter, good absorber and poor reflector of radiation
Dpoor emitter, poor absorber and poor reflector of radiation

✓ Correct answer

C: good emitter, good absorber and poor reflector of radiation

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About this question

Topic
Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2020 Paper 1 Variant 1, question 21.

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