a 1cm high object is placed at a distance of 2f from a convex lens what is height of image formed

Asked by  | 27th May, 2009, 10:08: AM

Expert Answer:

using (1/ v) - (1/ u) = (1 / f)

(1/ v) - (1/ - 2f) = (1 / f)

(1/ v) = (1 / 2f)

v = 2 f

m = v / u = 1

h' / h = 1

h' = h = 1 cm

Answered by  | 27th May, 2009, 10:23: AM

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