An equi-convex lens has focal length equal to the radius of curvature.Its refrective index is
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The focal length of an equiconvex lens is equal to the radius of curvature of .... A concave lens of glass, refractive index 1.5, has both surface of the same ... The focal length of an equiconvex lens in air is equal to either of its radii of curvature.
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An equi-convex lens has focal length equal to the radius of curvature.Its refrective index is equal to its radius of curvature.
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