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2.3.3a Thermal radiation

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Question 28

Four identical metal canisters are filled with equal volumes of hot water at 80∘C80^\circ\text{C}80∘C and left to cool in a room at room temperature. Each canister has a different surface finish:

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

Which canister will show the slowest rate of temperature drop?

A

Canister A

B

Canister B

C

Canister C

D

Canister 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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