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1 markHeat Transfer

CAPE Physics Unit 1 · 1999 · Paper 2 · Question 8(b)(ii)

Figure 7 shows a simple solar water heater. Figure 8 shows a cross section of the collector.

The main component in the collector is the blackened copper sheet. Explain its function.

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Other parts of this question

  1. 8(a)Discuss the nature of the processes by which a hot body may lose heat to the surroundings.[3 marks]
  2. 8(b)(i)Explain why a sheet of glass is used on the collector.[5 marks]
  3. 8(b)(iii)Explain why a pump is not required to circulate the water in the storage tank.[1 mark]
  4. 8(c)Plot a graph to determine A and n.[12 marks]

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