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2.3.3a Thermal radiation

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Question 5

Four identical metal cans containing equal volumes of hot water at 85∘C85^\circ\text{C}85∘C are left to cool in a room at 20∘C20^\circ\text{C}20∘C.

The four cans are identical except for their outer surface colour and texture:

  • Can A: shiny silver
  • Can B: shiny black
  • Can C: dull white
  • Can D: dull black

Which can will cool down the quickest?

A

Can A

B

Can B

C

Can C

D

Can D

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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