1.

The plane surface of a plano-convex lens of focal length f is silvered. It will behave as:plane mirror convex lens of focal length 2f concave lens of focal length f/2

Answer» The plane surface of a plano-convex lens of focal length f is silvered. It will behave as:

plane mirror
convex lens of focal length 2f
concave lens of focal length f/2


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