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6.3 Black body radiation

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Question 25

A manufacturer compares two equal-area covers for a temperature-controlled instrument. Cover L absorbs less infrared radiation than cover M when radiation of the same intensity is incident on each cover. The covers are then held at the same temperature. Which statement is correct?

[1]
A

Cover L emits infrared radiation at a lower rate than cover M.

B

Neither cover emits infrared radiation because neither cover is glowing.

C

Cover L and cover M emit infrared radiation at the same rate.

D

Cover L emits infrared radiation at a greater rate than cover M.

Markscheme

6.3 Black body radiation Questions

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

106 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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