Question

A ray of monochromatic light enters a liquid from air as shown in the diagram given below.

The two angles on the surface of separation of liquid and air, when the ray of light moves out from the liquid to air is :

• A. 45^o and 30^o
• B. 30^o and 45^o
• C. 75^o and 15^o
• D. 15^o and 75^o

Answer 1

The correct option is B

30^o and 45^o

The complete diagram is shown below.