Question

State whether true or false:

A ray of light striking normally on another optical medium does not suffer refraction.

• A. True
• B. False

Answer 1

The correct option is A True

When an incident ray strikes normally at the point of incidence, it does not deviate from its path, i.e., it suffers no refraction. In this case, the angle of incidence and the angle of refraction are equal and their magnitudes are zero as shown in figure below.