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6.3 Black body radiation

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Question 4
F

Scientists use the idea of a perfect black body when they study the radiation emitted by stars.

a.

Describe what is meant by a perfect black body.

[2]
b.

Explain why a perfect black body would be the best possible emitter of radiation.

[1]
c.

A student says, "A perfect black body cannot be seen, even when it is very hot." Explain why the student is wrong.

[2]
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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