A concave lens of focal length 15 cm forms an image 10cm from the lens.How far is the object placed
Asked by saikrish | 5th Apr, 2009, 05:11: PM
Expert Answer:
A concave lens only forms a virtual image, a virtual image is on the same side as the object.
Put v = -10cm f = -15cm into the equation 1/v -1/u = 1/f and solve for u.
Answered by | 6th Apr, 2009, 09:49: AM
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