A convex lens is made from glass material having refractive index of 1.4 with same radius of curvature on both sides. The ratio of its focal length and radius of curvature is _______.

[JEE Main 2026, 4 Apr (Shift 2)]

Question

A convex lens is made from glass material having refractive index of 1.4 with same radius of curvature on both sides. The ratio of its focal length and radius of curvature is _______.

[JEE Main 2026, 4 Apr (Shift 2)]

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A convex lens is made from glass material having refractive index of 1.4 with same radius of curvature on both sides. Th…

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