A concave lens made of a material of refractive index `n_1` is kept in a medium of
Channel: Doubtnut
Date: 2020-07-26

A concave lens made of a material of refractive index `n_1` is kept in a medium of refractive index `n_2`. A parallel beam of light is incident on the lens. Complete the path of rays of light emerging from the concave lens (i) `n_1 gt n_2` (ii) `n_1 = n_2` (iii) `n_1 lt n_2`.