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2.3.3a Thermal radiation

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Question 8

The Earth absorbs energy from the Sun and re-radiates it back into space to maintain temperature stability. Because the Earth is much cooler than the Sun, it emits radiation at longer wavelengths.

In which part of the electromagnetic spectrum is most of this re-radiated thermal energy from the Earth concentrated?

A

ultraviolet radiation

B

infrared radiation

C

visible light

D

X-rays

Markscheme

2.3.3a Thermal radiation Questions

  1. IGCSE
  2. /Physics
  3. /2.3.3a Thermal radiation

99 exam-style questions on CIE IGCSE Physics 2.3.3a Thermal radiation. Each one has a worked solution and a mark scheme showing where the marks go.

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