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2.3.3a Thermal radiation

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Question 27

Two identical metal canisters, one painted matt black and the other painted shiny silver, are filled with equal amounts of water at the same initial temperature. During a hot, sunny day, both canisters are placed in direct sunlight and their temperatures increase. At night, they are left to cool down in the dark.

Which canister shows the greater rate of temperature increase during the day, and which canister shows the greater rate of temperature decrease during the night?

A

Greater rate of increase: matt black; Greater rate of decrease: matt black

B

Greater rate of increase: matt black; Greater rate of decrease: shiny silver

C

Greater rate of increase: shiny silver; Greater rate of decrease: matt black

D

Greater rate of increase: shiny silver; Greater rate of decrease: shiny silver

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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