Question

define Angle of prism and angle of minimum deviation.

Answer 1

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Answer 2

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Angle of Prism :The angle between two surfaces is known as refracting angle or angle of prism

Angle of minimum deviation :The angle of deviation through a triangular prism is defined as theangle between the incident ray and the emerging ray (angle δ). It can be shown that when theangle of incidence i is equal to the angle of refraction r' for the emerging ray, the angle ofdeviation is at a minimum.

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