...ratio to each other, whatever may be the obliquity of the incident ray. This is the same as saying that when a ray of light passes out of one medium into another, the sines of the angles of incidence and of refraction always preserve a • constant ratio for every angle of incidence in...

...ratio to each other, whatever may be the obliquity of the incident ray. This is the same as saying that when a ray of light passes out of one medium into another, the sines of the angles of incidence and of refraction always preserve a constant ratio for every angle of incidence in the...

...of rays from ai point in the circular arc to an eye situated at a given point in the saa plane. 9. When a ray of light passes out of one medium into another, as d angle of incidence increases the angle of deviation also increases. How would this assertion be...