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Home » 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 willa) act as a convex lens only for the objects that lie on its curved sideb) act as a concave lens only for the objects that lie on its curved sidec) act as a convex lens irrespective of the side on which the object liesd) act as a concave lens irrespective of the side on which the object lies
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 only 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 the side on which the object lies
CBSE | Class 12 | NCERT Exemplar | Physics | Ray Optics and Optical Instruments
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 only 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 the side on which the object lies

Answer:

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

i

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