12th Class Physics Wave Optics / तरंग प्रकाशिकी Question Bank Wave Optics Conceptual Problems

  • question_answer
    A partially plane polarised beam of light is passed through a polaroid. Show graphically the variation of the transmitted light intensity with angle of rotation of the polaroid.       

    Answer:

                    On rotating the polaroid, the unpolarised component remains unchanged while the polarised component shows alternate maxima and minima in accordance with the relation, \[I={{I}_{0}}{{\cos }^{2}}\theta \]. The net variation of the transmitted light is as shown in Fig.


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