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2.3.3a Thermal radiation

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Question 69

A student fills four identical metal cans with the same volume of water at 80∘C80^\circ\text{C}80∘C. The cans are identical in every way except for their outside surfaces:

  • Can 1: dull, black surface
  • Can 2: dull, silver surface
  • Can 3: shiny, black surface
  • Can 4: shiny, silver surface

Which can will cool down the slowest?

A

Can 1

B

Can 2

C

Can 3

D

Can 4

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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