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2.3.3a Thermal radiation

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Question 6

Three solid aluminium spheres, J, K, and L, are heated to the same temperature.

SphereDiameterColour of surface
JDDDshiny silver
K3D3D3Ddull black
L3D3D3Dshiny silver

Which of the following correctly shows the spheres ordered by their rate of emission of thermal radiation?

A

Highest: K; Second highest: J; Lowest: L

B

Highest: K; Second highest: L; Lowest: J

C

Highest: L; Second highest: K; Lowest: J

D

Highest: L; Second highest: J; Lowest: K

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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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