Question:
A plano convex lens behave as a concave mirror of focal
Last updated: 6/11/2023
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A plano convex lens behave as a concave mirror of focal length 30 cm when its plane surface is silvered and as a concave mirror of focal length 10 cm when its curved surface is silvered The radius of curvature of curved surface in cm is x 10 cm A 2 3