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A convex lens (f=20cm) is placed at 80 c...

A convex lens `(f=20cm)` is placed at `80 cm` from a concave mirror. An object is placed at `30 cm` in front of the lens such that position of its final image is same with or without the mirror. The maximum distance of object and mirror for a virtual image to be formed if only mirror is present is:

A

`10 cm`

B

`20 cm`

C

`30 cm`

D

`50 cm`

Text Solution

Verified by Experts

The correct Answer is:
A
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