A ray of tight is incident on the surface of a glass plate' at an angle of incidence equal to Brewster's angle ϕ If μ represents the refractive index of glass with respect to air, then the angle between reflected and refracted rays is
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a
90∘+ϕ
b
sin−1(μcosϕ)
c
90∘
d
90∘−sin−1(sinϕ/μ)
answer is C.
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Detailed Solution
When the light is incident at Brewster's angle, the angle between reflected ray and refracted ray is 90o', irrespective of the value of reactive index.
A ray of tight is incident on the surface of a glass plate' at an angle of incidence equal to Brewster's angle ϕ If μ represents the refractive index of glass with respect to air, then the angle between reflected and refracted rays is