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4 marksRadioactivity

CAPE Physics Unit 2 · 2007 · Paper 2 · Question 3(b)(i)

Plot a graph of ln I against x on the provided grid and draw the best-fit line through the points.

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Other parts of this question

  1. 3(a)Calculate and fill in the missing ln I values in Table 3.[1 mark]
  2. 3(b)(ii)a)From your graph, determine the linear absorption coefficient μ.[2 marks]
  3. 3(b)(ii)b)From your graph, determine the initial intensity I₀.[2 marks]
  4. 3(c)Explain how the value of I₀ can be measured directly.[1 mark]

More practice: the rest of this paper · more Radioactivity questions · all CAPE Physics Unit 2 past papers