NEET 2018 — Paper 2018 — Physics solution | Fundamenthol

NEET2018Paper 2018Physics

Q.

Unpolarised light is incident from air on a plane surface of a material of refractive index ' $μ$ '. At a particular angle of incidence 'i', it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation?

A
Reflected light is polarised with its electric vector parallel to the plane of incidence
B
$i = sin^{- 1} (\frac{1}{μ})$
C
Reflected light is polarised with its electric vector perpendicular to the plane of incidence
D
$i = tan^{- 1} (\frac{1}{μ})$

Solution

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