A thin convex lens made from crown glass `(mu = 3//2)` has focal length `f`.
Channel: Doubtnut
Date: 2020-08-02

A thin convex lens made from crown glass `(mu = 3//2)` has focal length `f`. When it is measured in two different liquids having refractive indiced `4//3` and `5//3`, it has the focal length `f_(1)` and `f_(2)` respectively. The correct ralation between the focal lengths is