A hollow double concave lens is made of very thin transparent material. It can be filled
Channel: Doubtnut
Date: 2020-07-26

A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquid `L_(1)` and `L_(2)` having refractive indices `mu_(1)` and `mu_(2)` respectively `(mu_(2)gtmu_(1)gt1)`. The lens will diverge a parallel beam of light if it is filled with