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
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a
3×108
b
32×108
c
3×108
d
0.5×108
answer is C.
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Detailed Solution
From Brewster's law μ=tanip⇒cv=tan60∘=3⇒v=c3=3×1083=3×108m/sec