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what is critical angle

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what is critical angle
  • 3 answers

Abhishek Singh 3 years, 10 months ago

2

Dhaval Sangani 4 years, 7 months ago

The angle of incidence at which angle of refraction becomes 90 degree and hence then after light ray will get reflected back in same medium.

Yogita Ingle 4 years, 10 months ago

The 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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