CAPE Physics Unit 1 · 2006 · Paper 2 · Question 2(c)(ii)b)
Determine the focal length, f, of the lens.
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Practise this questionOther parts of this question
- 2(a)Briefly explain how you would take readings in order to determine the magnification of the image for various values of x.[3 marks]
- 2(b)Figure 2 is a plot of m versus x.[1 mark]
- 2(b)(i)Show that the gradient of the graph is 1/f.[1 mark]
- 2(b)(ii)Show that when m = 0, x + d = f.[1 mark]
- 2(c)(i)Draw the best straight line through the points.[1 mark]
- 2(c)(ii)a)Determine the gradient of the graph.[2 marks]
- 2(c)(ii)c)Determine the position d of the lens inside the tube.[1 mark]
More practice: the rest of this paper · more Physics of the Ear and Eye questions · all CAPE Physics Unit 1 past papers