The light reflected from water surface `(mu = 1.3)` is completely polarised. The angle of incidence will be
The light reflected from water surface `(mu = 1.3)` is completely polarised. The angle of incidence will be
A. `30^(@)`
B. `45^(@)`
C. `53^(@)`
D. `65^(@)`
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Correct Answer - C
`mu = tan theta_(P)`
`:. i = theta_(P) = tan^(-1)(mu) = tan^(-1)(1.3) ~~ 53^(@)`
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