The speed of light in two media M1 and M2 are 1.5×10^8 m/s and 2×10^8 m/s respectively. If the light undergoes total internal reflection, the critical angle between the two media is: - VgyanHub

Question:

The speed of light in two media M₁ and M₂ are 1.5×10⁸ m/s and 2×10⁸ m/s respectively. If the light undergoes total internal reflection, the critical angle between the two media is:

Options :

(a) sin^-1(4/3)
(b) sin^-1(3/2)
(c) sin^-1(3/4)
(d) sin^-1(2/3)

Answer :

(c) sin^-1(3/4)

Answer Steps :

step 1

step 2

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