Questions
Unpolarised light rays of intensity I0 is passed through a polaroid A and then through another polaroid B which is oriented in such a way that its principal plane makes an angle of 45o relative to that of A. What will be the intensity of the emergent light ?
detailed solution
Correct option is A
Relation between intensities isWhen unpolarised light passes the polaroid, intensity become half.IA=Io2 B=IAcos245∘IB=I02cos245∘=I02×12=I04Talk to our academic expert!
Similar Questions
A Polaroid is placed at 45° to an incoming unpolarized light of intensity Io. Now the intensity of light passing through the Polaroid after polarisation would be
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