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6.3 Black body radiation

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Question 9
H

Greenhouse gases in the Earth's atmosphere absorb infrared radiation. The concentration of greenhouse gases in the atmosphere has increased.

a.

Explain how an increase in the concentration of greenhouse gases causes the average surface temperature of the Earth to rise.

[4]
b.

After many years the average surface temperature of the Earth becomes constant again, at a higher value than before. Explain why.

[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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