Q. Figure represents a glass plate placed vertically on a horizontal table with a beam of unpolarised light falling on its surface at the polarising angle of with the normal. The electric vector in the reflected light on screen will vibrate with respect to the plane of incidence in a Physics Question Image

 1694  210 Wave Optics Report Error

Solution:

When unpolarised light is made incident at polarising angle, the reflected light is plane polarised in a direction perpendicular to the plane of incidence. Therefore in reflected light will vibrate in vertical plane with respect to plane of incidence.