what do you mean by critical angle?

Asked by jiffy123 | 14th Sep, 2009, 10:07: PM

Expert Answer:

 

The angle of incidence for which the refracted ray emerges tangent to the sur-
face is called the critical angle.

Regards,

Team,

TopperLearning.

Answered by  | 15th Sep, 2009, 11:51: PM

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