Light travels with velocities `2 xx 10^(8) ms^(-1)` and `2.5 xx 10^(8) ms^(-1)` through
Channel: Doubtnut
Date: 2020-03-29

Light travels with velocities `2 xx 10^(8) ms^(-1)` and `2.5 xx 10^(8) ms^(-1)` through two different media. The critical angle of the media is