Question

Sum of angle of incident and angle of emergent is equal to angle of prism and angle of? ​

Answer 1

Answer:

Sum of angle of incidence and the angle of emergence is equal to the angle of prism and the angle of deviation.

Answer 2

Sum of angle of incident and angle of emergent is equal to angle of prism and angle of deviation.

When a beam passing through an object like glass prism it gets deflected twice, once while entering into glass prism and secondly when exiting from the prism. The sum of these two deflections is known as deviation angle or angle of deviation.

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