A prism made by a uniaxial negative crystal (Calcite) with an optic axisparallel to prism surface and perpendicular to light incident plane.When light is incident on the first (front) surface of the prism in anormal direction and the transmitted light is a linearly polarized light,what is range of top prism angle (a) as shown in the right figure?(Assume two refractive indices of the Calcite crystal are noand ne = 1.486).1.658

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