The refractive index of converging lens is 1.4 . What will be the focal length of this lens, if it is placed in a medium…
Q1
The refractive index of converging lens is 1.4 . What will be the focal length of this lens, if it is placed in a medium of same refractive index? Assume the radii of curvature of the faces of lens are \(R_1\) and \(R_2\) respectively.
[JEE Main 2021, 16 Mar (Shift 2)]
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