A green light is incident from the water to the air water interface at the critical angle? Ans is the spectrum of visible light whose frequency is less than that of green light will come out to the air,,,how?

Answers (1)
S safeer

As the frequency of visible light increases the refractive index increases. with increase of R.I  critical angle decreases. Light having frequency > green will undergo total internal reflection and  Light having frequency < green will pass through air