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6.3 Black body radiation

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Question 22
H

A central heating radiator is painted matt black instead of glossy white. Compared with the white radiator at the same temperature, the black radiator

[1]
A

emits more radiation each second, so the room warms up faster.

B

emits less radiation each second, so the room warms up faster.

C

absorbs more radiation each second, so the room warms up faster.

D

absorbs less radiation each second, so the room warms up more slowly.

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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