Optics: JEE Main 2022 Physics question

JEE Main 2022 · 29 Jul, Evening shift · Q8465

JEE Main 202229 Jul, Evening shiftPhysicsMediumOptics190× since 2002

An unpolarised light beam of intensity

2 I_{0}

is passed through a polaroid P and then through another polaroid Q which is oriented in such a way that its passing axis makes an angle of

30^{\circ}

relative to that of P. The intensity of the emergent light is

JEE Main 2022 · 29 Jul, Evening shift · Q8465

JEE Main 202229 Jul, Evening shiftPhysicsMediumOptics190× since 2002

An unpolarised light beam of intensity

2 I_{0}

is passed through a polaroid P and then through another polaroid Q which is oriented in such a way that its passing axis makes an angle of

30^{\circ}

relative to that of P. The intensity of the emergent light is

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