In total internal reflection when the angle of incidence is equal to the critical angle for the pair of medium in contact, what will be angle of refraction - VgyanHub

Question:

In total internal reflection when the angle of incidence is equal to the critical angle for the pair of medium in contact, what will be angle of refraction

Options :

(a) 90 degree
(b) 180 degree
(c) 0 degree
(d) equal to angle of incidence

Answer :

(a) 90 degree

Answer Steps :

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