3 Behind a thin converging lens having both the surfaces of

Last updated: 6/11/2023

3 Behind a thin converging lens having both the surfaces of the same radius 10 cm a plane mirror has been placed The image of an object at a distance of 40 cm from the lens is formed at the same position What is the refractive index of the lens 1 1 5 3 9 8 0 2 5 3 4 None of these