Question 8
HThe figure shows the radiation arriving at the Earth from the Sun, and what happens to that radiation.
Figure: The radiation arriving at the Earth from the Sun, the radiation reflected back into space and the radiation emitted by the Earth
a.[3]
Use the figure to explain why the average surface temperature of the Earth stays roughly constant.
b.[2]
The radiation emitted by the Earth has a longer wavelength than the radiation the Earth absorbs from the Sun. Explain why.
6.3 Black body radiation Questions
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.