Question

The angle formed when the emergent ray bend at an angle to the direction of the incident ray is called _________.
 *
1.Angle of deviation
2.Angle of incidence
3.Angle of refraction
4.Angle of emergence​

Answer 1

Answer:

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Answer 2

Answer:

When an incident ray of light enters a prism it gets refracted towards the normal. This refracted ray then strikes the other face of the prism and further deviates away from the normal and leaves the glass prism to enter the air i.e. from one medium to the other. This ray that leaves the prism is called emergent ray. The angle formed between the incident ray and emergent ray is called angle of deviation