An unpolarized light beam is incident on the polarizes of a polarization experiment and the intensity of light beam emerging from the analyzer is measured as 100 Lumens. Now, if the analyzer is rotated around the horizontal axis (direction of light) by 30° in clockwise direction, the intensity of emerging light will be________ Lumens.

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    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago

    l = l 0 c o s 2 θ = 1 0 0 × c o s 2 ( 3 0 ° ) = 7 5 L u m e n s  

    Note : As the incident light is unpolarized, intensity of emerging light does not depend on the polarization axis of polarizer.

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