1.

When the angle of incidence on a material is 60°, the reflected light is completely polarized. The velocity of the refracted ray inside the material is (in ms?1)  [Kerala PMT 2005]

A.            \[3\times {{10}^{8}}\]      
B.            \[\left( \frac{3}{\sqrt{2}} \right)\times {{10}^{8}}\]
C.            \[\sqrt{3}\times {{10}^{8}}\] 
D.            \[0.5\times {{10}^{8}}\]
Answer» D.            \[0.5\times {{10}^{8}}\]


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