The speed of light in media M₁ and M₂ are 1.5×10⁸ ms⁻¹ and 2×10⁸ ms⁻¹ respectively.

The speed of light in media M₁ and M₂ are 1.5×10⁸ ms⁻¹ and 2×10⁸ ms⁻¹ respectively. A ray travels from medium M₁ to the medium M₂ with an angle of incidence θ. The ray suffers total internal reflection. Then, the value of the angle of incidence θ is

Options

(a) > sin⁻¹ (3/4)
(b) (c) Err:501
(d) ≤ sin⁻¹ (3/4)

Correct Answer:

> sin⁻¹ (3/4)

Explanation:

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