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5.3 Black body radiation

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Question 5

Four identical metal baking moulds have the outer finishes shown in the table. The moulds are removed from an oven at the same temperature.

MouldOuter finish
Jmatt black coating
Kshiny black coating
Lmatt pale grey coating
Mshiny pale grey coating

Which mould initially transfers energy by infrared radiation at the lowest rate?

[1]
A

mould J

B

mould M

C

mould L

D

mould K

Markscheme

5.3 Black body radiation Questions

  1. GCSE
  2. /Physics
  3. /5.3 Black body radiation

96 exam-style questions on Edexcel GCSE Physics 5.3 Black body radiation, covering 5.3.1 Emission of radiation and temperature, 5.3.2 Radiation balance and constant temperature, and 5.3.3 The temperature of the Earth. Each one has a worked solution and a mark scheme showing where the marks go.

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