As a ray of monochromatic light passes successively from medium 1 to medium 2 and…
PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
As a ray of monochromatic light passes successively from medium 1 to medium 2 and then to medium 3, which of the following physical quantities must have the same numerical value at both interfaces?
(a) The angle the ray makes with the normal
(b) The speed of the light in the medium
(c) The product of the medium’s index of refraction and the sine of the ray’s angle with the normal
(d) The wavelength of the light in the medium