Question

a plano concave lens has how many curved surfaces?​

Answer 1

Their plane surfaces are parallel to each other. If the lenses are made of different material of refractive indices mu_(1) and mu_(2) and R is the radius of curvature of the curved surface of the lenses, then focal length of the combination is. f=Rμ1-μ2.

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Answer 2

Answer:

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