Single Choice

In total reflection when the angle of incidence is equal to the critical angle then angle of refraction is?

A$$180^o$$
B$$0^o$$
CEqual to angle of incidence
D$$90^o$$
Correct Answer

Solution

At $$i = i_c$$, refracted ray grazes with the surface.
So angle of refraction is $$90^o$$.

SIMILAR QUESTIONS

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