Question

A ray of light travelling from air to glass, strikes
the surface of glass normally.
A. Angle of incidence is 0°
B. Angle of refraction is 90°
O O O O
C. Angle of incidence is 45
O D. Angle of refraction is 45 °​

Answer 1

Answer:

Angle of incidence is 45 degree may be

Answer 2

Answer:

45 ° it is the. right answer