Speed of light is

Speed of light in a medium depends on

Speed of light in vacuum is

The ratio of speed of light in vaccum to the speed of light medium is __________ .

The ratio of the speed of light in air to the speed of light in another medium

The critical angle of light from medium A to medium B is theta . The speed of light in medium A is v. the speed of light in medium B is

The critical angle of light from medium A to medium B is theta . The speed of light in medium A is v. the speed of light in medium B is