By Team Aakash Byju's

Define Angle of Incidence, Angle of Prism and Angle of Minimum Deviation?

The angle between a ray incident on a surface and the normal line drawn at the point of incidence is called an Angle of incident.

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The light ray that is falling on the polished surface is called the Incident ray.

The ray that gets reflected by the surface is called the Reflected ray.

The point on the surface where the ray of light is falling is called the Point of incidence.

A ray that is drawn perpendicular to the point of incidence is called the Normal ray.

The angle formed between two surfaces of a prism edgeways is called the Angle of the prism.

A ray of light passing through the prism suffers refraction two times.

When a light ray passes through the prism it bends and gets deviated from the direction of the  Incident ray.

The angle with which the refracted ray gets deviated from the direction of the incident ray is called the Angle of deviation.

The angle at which the angle of deviation in a prism is minimum is called the Angle of minimum deviation.