...jf ijjf >3 yOyi) y (2) c(r) ,(/) v (0 _(r) _(0 V\ V 2 ' V\ V\ Vi ' (3) The plane specified by s ( " and the normal to the boundary is called the plane of incidence. Eqs. (3) show that both s ( " and s (r) lie in this plane. Taking the plane of incidence as the x,...

...called incident ray and the ray entering the new medium is called the refracted ray. The angle made by the incident ray and the normal to the boundary is called the angle of incidence and the angle formed by the refracted ray and the normal, the angle of refraction....