What is minimum incident angle?

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n2Sin(Theta) = n1Sin 90

 Sin(theta) =n1/n2

                 = 1/1.51

               = 0.66

Theta = Sin -1(0.66) = 41.29

thata  > 41.29 for  TIR.


May 6th, 2015

Regarding any doubt plz let me know.

May 6th, 2015

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