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The radius of curvature of the curved surface of a plano-convex lens is 20 cm. If the refractive index of the material of the lens be 1.5, it will 

(a) act as a convex lens only for the objects that lie on its curved side. 

(b) act as a concave lens for the objects that lie on its curved side. 

(c) act as a convex lens irrespective of the side on which the object lies. 

(d) act as a concave lens irrespective of side on which the object lies.

Sarthaks Test For Class 7-12

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(c) act as a convex lens irrespective of the side on which the object lies. 

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