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2.3.3a Thermal radiation

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Question 48

A flask is designed to keep a hot beverage warm by minimizing heat loss. Which texture and colour should the outer surface of the flask be to ensure that thermal radiation is emitted at the lowest rate?

A

dull black

B

dull white

C

shiny black

D

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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