Quelpr
5 marksHeat Transfer

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

The Earth's surface is said to be warming up due to the accumulation of carbon dioxide and other gases in the atmosphere.

Explain this 'greenhouse effect'.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)Explain in terms of the kinetic theory how this radiation is able to warm a distant cold body.[1 mark]
  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