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Consider a refracting media of refractive index kept in air and surrounded by two non parallel surfaces, such that one surface is fixed and another surface is being moved with constant angular velocity about point in clockwise direction as shown in figure. Assume that refractive media bounded by nonparallel surfaces always remains isotropic and refractive index always remains constant. A light ray falls on fixed surface at angle of incidence Choose the correct option(s). Angle of prism


(a)Magnitude of the rate of change of angle of emergence from moving surface with respect to time when is
(b)Magnitude of the rate of change of angle of emergence from moving surface with respect to time when is
(c)Magnitude of the rate of change of angle of deviation with respect to time when is
(d)Magnitude of the rate of change of angle of deviation with respect to time when is

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Important Questions on Optics
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A rectangular block is composed of three different glass prisms (with refractive indices ) as shown in the figure below. A ray of light incident normal to the left face emerges normal to the right face. Then the refractive indices are related by

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