The expression for intensity (as shown in the figure) of transmitted light when a polaroid sheet is rotated between two crossed polaroids is:

[Given: Io is the intensity of transmitted light from polariser A]

1. I=I02sin22θ2.  I=I04sin22θ3.  I=I02cos22θ4.  I=I04cos22θ

Subtopic:  Polarization of Light |
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Unpolarised light is incident on a plane glass surface. What should be the angle of incidence so that the reflected and refracted rays are perpendicular to each other?

1. 4502. 6703. 5704. 370

Subtopic:  Polarization of Light |
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