Question

what is a prism ?also define angle of deviation.
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Answer 1

Answer:

prism is a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.a glass or other transparent object in the form of a prism, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colours.

used to refer to the clarification or distortion afforded by a particular viewpoint.

The angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another.

Answer 2

Answer:

The angle between its two lateral faces is called the angle of the prism or the prism angle.

When the light ray is allowed to pass through the prism, it makes the emergent ray bend at an angle to the direction of the incident ray. This angle is called the angle of deviation for the prism.