﻿ A ray of light travelling inside a rectangular glass block of refractive index  is incident on the glass-air interface at an angle of incidence of 45o. The refractive index of air is one. Under these conditions the ray: : Kaysons Education

# A Ray Of Light Travelling Inside A Rectangular Glass Block Of Refractive Index  is Incident On The Glass-air Interface At An Angle Of Incidence Of 45o. The Refractive Index Of Air Is One. Under These Conditions The Ray:

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## Question

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Correct option is

Will range into the air with an angle of refraction equal to 90o

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