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The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. The reflected ray is found to be completely polarized when the angle of incidence is54.5°.

(a) What is the index of refraction of the reflecting material?

(b) If some of the incident light (at an angle of 54.5°) passes into the material below the surface, what is the angle of refraction?

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Reference No.:- M9883166

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