What is angle deviation if wavelength of incident light is increased?
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The angle of deviation through a triangular prism is defined as the
angle between the incident ray and the emerging ray (angle δ). It can be shown that when the angle of incidence i is equal to the angle of refraction r' for the emerging ray, the
angle of deviation is at a minimum
angle between the incident ray and the emerging ray (angle δ). It can be shown that when the angle of incidence i is equal to the angle of refraction r' for the emerging ray, the
angle of deviation is at a minimum
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