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5.3 Black body radiation

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Question 20
F

Two identical metal blocks are at different temperatures. Neither block glows visibly. Which statement must be correct?

[1]
A

Only the hotter block emits infrared radiation.

B

Only the cooler block emits infrared radiation.

C

Neither block emits electromagnetic radiation.

D

Both blocks emit electromagnetic radiation.

Markscheme

5.3 Black body radiation Questions

  1. GCSE
  2. /Physics
  3. /5.3 Black body radiation

96 exam-style questions on Edexcel GCSE Physics 5.3 Black body radiation, covering 5.3.1 Emission of radiation and temperature, 5.3.2 Radiation balance and constant temperature, and 5.3.3 The temperature of the Earth. Each one has a worked solution and a mark scheme showing where the marks go.

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