Question

Angle of deviation of small angle

Answer 1

Answer:

It is clear that an angle of deviation gas the minimum value (value is in the pic) for only one value of the angle of incidence. The minimum value of the angle of deviation when a ray of light passes through a prism is called the angle of minimum deviation.

Explanation:

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Answer 2

minimum angle of deviation. The smallest angle through which light is bent by an optical element or system. In a prism, the angle of deviation is a minimum if the incident and exiting rays form equal angles with the prism faces. The angle is important relative to prism spectroscopes because it can be easily determined.

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