The angle of incidence at which reflected light is totally polarised for refraction

The angle of incidence at which reflected light is totally polarised for refraction from air to glass (refractive index μ) is

Options

(a) sin⁻¹μ
(b) sin⁻¹(1/μ)
(c) tan⁻¹(1/μ)
(d) tan⁻¹(μ)

Correct Answer:

tan⁻¹(μ)

Explanation:

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