Question

what is laws of refraction

Answer 1

refraction of light occurs according to the following laws:
1-the incident ray,the refracted ray amd the normal to the interface,all lie in the same plane.

2-the ratio of sine of angle of incidence to the sine of angle of refraction for light of given colour is constant for a given pair of media.




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Answer 2

The point of refraction is created where the incident ray lands and the angle that it makes with the refracted ray not forgetting the normal line that is dropped on the plane perpendicularly. The medium through which the rays of light are passing creates a considerable difference in refraction unlike in reflection. The refractive indices make the dependency on the medium apparent in Snell’s Law.