Question

When light is going from a denser to a less dense medium, the critical angle is the angle of incidence for which the angle of refraction is ______.

विकल्प

• 48°

• 90°

• 42°

• 51°

Answer 1

When light is going from a denser to a less dense medium, the critical angle is the angle of incidence for which the angle of refraction is 90°.