JEE Main & Advanced
Physics
Wave Optics / तरंग प्रकाशिकी
Question Bank
Self Evaluation Test - Wave Optics
question_answer
Abeam of unpolarised light of intensity L is passed through a polaroidAand then through another polaroid B which is oriented so that its principal plane makes an angle of \[45{}^\circ \] relative to that of A. The intensity of the emergent light is