Three polarizing filters are stacked with the polarizing axes of the second and third at 45.0˚ and  90.0˚, respectively, with that of the first. a.) If the unpolarized light of intensity I0 is incident on  the stack, find the intensity and state of polarization of light emerging from each filter. b.) If the  second filter is removed, what is the intensity of the light emerging from each remain

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