Question

The velocity of light in diamond 5/12 that in air the velocity of light in water 3/4 of that in air find angle of incident of the ray travelling from water to diamond if the angle of refraction is 30degree

Answer 1

Answer:

When light passes from a less dense to a more dense substance, (for example passing from air into water), the light is refracted (or bent) towards the normal. The normal is a line perpendicular (forming a 90 degree angle) to the boundary between the two substances.