Unpolarised light is incident from air on a plane surface of a material of refractive index $\mu$. 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?
- AReflected light is polarised with its electric vector parallel to the plane of incidence
- BReflected light is polarised with its electric vector perpendicular to the plane of incidence
- C$i = \tan^{-1}(1/\mu)$
- D$i = \sin^{-1}(1/\mu)$
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