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CSEC Physics · 1991 · Paper 2 · Question 5(c)

A spectacle lens has a focal length of 80 cm and forms a virtual image of an object 10 cm high placed 40 cm from the lens.

Complete the scale ray drawing to determine the position and magnification of the image.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 5(a)Identify the parts of the eye labelled A, B, C, and D.[4 marks]
  2. 5(b)The eye shown in Figure 4 is long-sighted. Draw rays on the diagram to illustrate how the converging lens corrects this defect.[4 marks]

More practice: the rest of this paper · more Image Formation questions · all CSEC Physics past papers