Question

State the law of refraction ​

Answer 1

Laws of refraction state that: The incident ray, reflected ray and the normal, to the interface of any two given mediums; all lie in the same plane. The ratio of the sine of the angle of incidence and sine of the angle of refraction is constant.

Answer 2

Answer:

1) The incident ray, the refracted ray, and the normal at the point of incidence - all lie on the same plane.

2) The ratio of the sine of the angle of incidence to the sine of the angle of refraction is always a constant for the given colour of light and the given pair of media (Snell's Law).