1.

The angle of polarization for any medium is 60o, what will be critical angle for this                                              [UPSEAT 1999]

A.            \[{{\sin }^{-1}}\sqrt{3}\]  
B.            \[{{\tan }^{-1}}\sqrt{3}\]
C.            \[{{\cos }^{-1}}\sqrt{3}\] 
D.            \[{{\sin }^{-1}}\frac{1}{\sqrt{3}}\]
Answer» E.


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