Refraction is bending of light when it enters obliquely from one transparent medium to another. The proportion of sine of edge of incidence to the sine of point of refraction is a constant, for the light of a given color and for the given pair of media.
I Am School Teacher having more than 12 years of experience subject of Physics in ICSE and CBSE Schools. Also, I have done M.Sc., B.Ed. And presently pursuing post-graduation diploma in school leadership and Management.