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6.3 Black body radiation

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Question 10
F

Two identical metal mugs are filled with hot water at the same temperature. One mug has a matt black outer surface and the other has a shiny silver outer surface. Both are left in the same room for 10 minutes. Which mug contains the hotter water after 10 minutes, and why?

[1]
A

the matt black mug, because a black surface is a poor emitter of radiation

B

the matt black mug, because a black surface is a good absorber of radiation

C

the shiny silver mug, because a shiny surface is a poor emitter of radiation

D

the shiny silver mug, because a shiny surface is a good emitter of radiation

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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