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CAPE Physics Unit 1 · 2010 · Paper 2 · Question 6(a)(i)

A hot object emits electromagnetic waves.

Explain in terms of the kinetic theory how this radiation is able to warm a distant cold body.

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Other parts of this question

  1. 6(a)(ii)Explain this 'greenhouse effect'.[5 marks]
  2. 6(b)(i)Calculate the rate of the heat conduction through the stove wall.[1 mark]
  3. 6(b)(ii)Calculate the net rate of heat loss by radiation from the stove, assuming it acts as a black body.[1 mark]
  4. 6(b)(iii)Calculate the heat the stove loses by a combination of conduction and convection in the surrounding air. Explain your answer.[10 marks]

More practice: the rest of this paper · more Heat Transfer questions · all CAPE Physics Unit 1 past papers