Refractive index of medium is n. The incidence angle is twice that of refracting angle. The angle of incidence is: - VgyanHub

Question:

Refractive index of medium is n. The incidence angle is twice that of refracting angle. The angle of incidence is:

Options :

(a) cos^-1(2/n)
(b) sin^-1(n/2)
(c) cos^-1(n/2)
(d) 2cos^-1(n/2)

Answer :

(d) 2cos^-1(n/2)

Answer Steps :

step 1

step 2

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