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what is the critical angle?

what is the critical angle?

Grade:12

2 Answers

SEELA YUVARAJU
226 Points
5 years ago
The critical angle is the angle of incidence above which total internal reflection occurs.
pratik
42 Points
5 years ago
  1. 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.
  2.  
 
 

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