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A thin lens of focal length +10.0 cm lie...

A thin lens of focal length `+10.0 cm` lies on a horizontal plane mirror. How far above the lens should an object be be held if its image is to coincide with the object?

Text Solution

Verified by Experts

The correct Answer is:
A, C
If an object is placed at focus of lens `(=10 cm),`
rays becomes parallel and fall normal on plane
mirror. So, rays retrace their path.
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