(a) The diagram shows an object 3 cm in front of a converging lens of focal length 6 cm.
(i) Complete a ray diagram to show the position of the image. (4 marks)
(ii) How can you tell from the completed ray diagram that the image formed is virtual? (1 mark)
(iii) Calculate the magnification produced by the lens.
Write down the equation you need to use and show how you work out your answer. (2 marks)
(b) The object is now moved so that it is 8 cm from the lens.
How does the nature of the image change from when the object was 3 cm in front of the lens?
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