Physics, asked by amrita1948, 11 months ago

short definition of critical angle

Answers

Answered by dia190

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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Answered by mrzombzo7

Hello...

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 is knowns as critical angle

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