An equiconvex lens is made of material which has a refrac

Last updated: 6/25/2023

An equiconvex lens is made of material which has a refrac tive index of 1 6 for blue light and 1 5 for red light Its focal length for red light is 0 20 m The ratio of focal length for red light to focal length for blue light is 0 01N Find the value of N