An unpolarized light is incident on a plate of refractive index 3 and the reflected light is found to be completely plane polarized. The angle of incidence and refraction are respectively
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a
600, 300
b
300, 600
c
sin−113, 450
d
tan−132, 300
answer is A.
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Detailed Solution
If reflected light is completely polarized. Then μ = tani 3= tani i =600 At Brewster angle _________ i+r =90o r=30o