(Answered)-What is the intensity of the light after it has passed

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Unpolarized light with intensity Io is incident on 2 polarizing filters. The axis of the first filter makes 60 degree with the vertical, and the axis of the second filter is horizontal. What is the intensity of the light after it has passed through the second filter?Why is the answer 1/2 Io x cos^2 30? Where does the 30 degrees come from?

 

Solution ID:10036758 | Question answered on 16-Oct-2016

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