An equiconvex air lens R R 10 cm is made in an glass medium

Last updated: 6/11/2023

An equiconvex air lens R R 10 cm is made in an glass medium having refractive index 3 2 changes magnitude A 3 2 C 1 8 Find the refractive index of the material to be filled in so that the power of the lens without change in its B 2 D 1 2 fi