Science, asked by madhurichaurasiya715, 7 months ago

4) Define critical angle.



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Answers

Answered by sumansinghania8791
5

Answer:

the critical angle is defined as the angle of incidence that provides an angle of refraction of 90-degrees. Make particular note that the critical angle is an angle of incidence value. For the water-air boundary, the critical angle is 48.6-degrees.

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Answered by kaverimemane86
4

Explanation:

the critical angle is defined as the angle of incidence that provides an angle of refraction of 90-degrees. Make particular note that the critical angle is an angle of incidence value. For the water-air boundary, the critical angle is 48.6-degrees.

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