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When light of a certain wavelength is incident on a plane surface of a material at a glancing angle 30^@, the reflected light is found to be completely plane polarized Determine Angle of refraction. |
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Answer» Solution :From Snell.s law `MU= (sin i)/(sin r)""therefore sqrt(3)= (sin 60^(@))/(sin r)` or `sin r = (sqrt(3))/(2)xx (1)/(sqrt(3))= (1)/(2), r= 30^(@)`. |
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