Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree.

Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree. Correct Answer 1.732

The tangent of the Brewster angle is the ratio of the medium 2 permittivity to the medium 1 permittivity. Thus tan θb = (n2/n1). Given that θb = 60 degree, the ratio n2/n1 will be tan 60 = 1.732.
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