4 (a) Our Sun emits different amounts of radiation at different wavelengths - Edexcel - GCSE Physics - Question 4 - 2016 - Paper 1
Question 4
4 (a) Our Sun emits different amounts of radiation at different wavelengths.
The graphs show how much radiation is measured for a given wavelength.
just outside the... show full transcript
Worked Solution & Example Answer:4 (a) Our Sun emits different amounts of radiation at different wavelengths - Edexcel - GCSE Physics - Question 4 - 2016 - Paper 1
Step 1
(i) Complete the sentence by putting a cross (✗) in the box next to your answer.
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Answer
The minimum wavelength of radiation received from our Sun at the Earth’s surface is about C 310 nm.
This is determined by analyzing the graph, which indicates the wavelengths present just outside the Earth’s atmosphere down to the surface.
Step 2
(ii) Name the type of radiation that has a wavelength of 800 nm.
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Answer
The type of radiation with a wavelength of 800 nm is infrared radiation. This type of radiation lies just beyond the visible spectrum and is typically associated with heat.
