Published by:
CGP EDU Academic Team
Published on: September 12, 2026
An object is placed on the principal axis of convex lens of focal length 10 cm as shown. A plane mirror is placed on the other side of lens at a distance of 20 cm. The image produced by the plane mirror is 5 cm inside the mirror. The distance of the object from the lens is____cm.

Text Solution
Verified by ExpertsThe correct answer is:
30
(30)

f=10cm



On solving we get value of u as 30 cm.
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