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7 marksHeat Transfer

CAPE Physics Unit 1 · 2014 · Paper 2 · Question 6(a)

Figure 3 shows a solar panel used in the Caribbean for heating domestic water.

Discuss how the principles of conduction, convection, radiation and the greenhouse effect are applied in the design of this type of solar panels.

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Other parts of this question

  1. 6(b)(i)Sketch a graph to show how the temperature would vary across the wall.[3 marks]
  2. 6(b)(ii)Calculate the thickness of brick which would have the same insulating effect as 5 cm of foam.[2 marks]
  3. 6(b)(iii)Determine the rate at which heat energy would pass through each square metre of this composite wall.[3 marks]

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