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Question 16

A light whose electric field vectors are completely removed by using a good polaroid, allowed to incident on the surface of the prism at Brewster's angle. Choose the most suitable option for the phenomenon related to the prism.

The problem states that light whose electric field vectors are completely removed by a good polaroid is incident on a prism at Brewster's angle.

A polaroid removes one component of the electric field. If the electric field vectors that are removed correspond to the component that lies in the plane of incidence, then the transmitted light is polarized perpendicular to the plane of incidence (s-polarized).

However, re-reading the problem: "electric field vectors are completely removed" means the polaroid transmits light polarized in the plane of incidence (p-polarized light), since the perpendicular component has been removed.

At Brewster's angle, p-polarized light (electric field in the plane of incidence) has zero reflection. All of the p-polarized light is transmitted (refracted) into the prism.

Since the incident light is purely p-polarized (the other component was removed by the polaroid), there will be no reflection at Brewster's angle, and total transmission occurs.

Hence, the correct answer is Option D.

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