An object is placed 30 cm from the reflecting surface in

Last updated: 6/9/2023

An object is placed 30 cm from the reflecting surface in front of a block of glass 10 cm thick having its farther side silvered The final image is formed at 23 2 cm behind the silvered face The refractive inde of glass is A 1 41 B 1 46 C 200 132 D 1 61