Light rays from a source are incident on a glass prism of index of refraction μ and angle of prism α. At near normal incidence, the angle of deviation of the emerging rays is
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The angle of minimum deviation for a prism is 40° and the angle of the prism is 60°. The angle of incidence in the position will be
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A ray falls on a prism ABC (AB = BC) and travels as shown in figure. The minimum refractive index of the prism material should be
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For the situations shown in the figure, determine the angle by which the mirror should be rotated, so that the light ray will retrace its path after
refraction through the prism and reflection from the mirror ?
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Variation of angle of deviation δ versus angle of incidence for a prism is given the figure. The value of refractive index of prism :-
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