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6.3 Black body radiation

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Question 7

A metal road sign is at −8 ∘C-8\ ^\circ\text{C}−8 ∘C on a winter night. Which statement about the sign is correct?

[1]
A

It absorbs infrared radiation but does not emit any.

B

It emits infrared radiation but does not absorb any.

C

It neither emits nor absorbs infrared radiation.

D

It emits infrared radiation and absorbs infrared radiation.

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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