A thin equiconvex lens made of glass n is 2 placed in such a

Last updated: 6/11/2023

A thin equiconvex lens made of glass n is 2 placed in such a way that one surface is in 4 contact with water n and another surface is 3 in contact with air Find focal length of setup if the rays are incident as shown Radius of curvature R 30 cm air 1 60 cm 3 30 cm glass water 2 120 cm 4 100 cm