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4 marksImage Formation

CSEC Physics · May/June 2018 · Paper 2 · Question 1(d)

Given that c = 1/f, determine f, the focal length of the lens.

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Other parts of this question

  1. 1(a)Complete Table 1 to show values for 1/u and 1/v. [Include units and calculate to three significant figures.][6 marks]
  2. 1(b)On the grid provided on page 5, plot a graph of 1/v against 1/u.[7 marks]
  3. 1(c)(i)Calculate the gradient of the graph in (b) to one significant figure.[4 marks]
  4. 1(c)(ii)State the value of the intercept, c, on the 1/u axis.[1 mark]
  5. 1(e)Complete Figure 2 to show the paths of rays 1, 2 and 3 as they pass through the convex lens represented by the dotted line.[3 marks]

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