English, asked by cutegirlanu, 2 months ago

define critical angle
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Answers

Answered by Anonymous
1

Answer:

Critical angle is the angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected.

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Answered by YOGESHmalik025
1

The critical angel is the angle of incidence for which the angle of refraction is 90° .

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