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6.3 Black body radiation

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Question 7
H

The inner surfaces of a vacuum flask are silvered. Silvering reduces the transfer of energy by radiation because a silvered surface

[1]
A

is a poor emitter and a good reflector of infrared radiation.

B

is a good emitter and a good reflector of infrared radiation.

C

is a poor emitter and a good absorber of infrared radiation.

D

is a good emitter and a poor reflector of infrared radiation.

Markscheme

6.3 Black body radiation Questions

  1. GCSE
  2. /Physics
  3. /6.3 Black body radiation

40 exam-style questions on AQA GCSE Physics 6.3 Black body radiation, covering 6.3.1 Emission and absorption of infrared radiation and 6.3.2 Perfect black bodies and radiation. Each one has a worked solution and a mark scheme showing where the marks go.

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