35. Let I0be the intensity of the unpolarized light that is incident on the first polarizing sheet. The transmitted intensity is II1120=, and the direction of polarization of the transmitted light is θ1= 40° counterclockwise from the yaxis in the diagram. The polarizing direction of the second sheet is 2= 20° clockwise from the yaxis, so the angle between the direction of polarization that is incident on that sheet and the polarizing direction of the sheet is 40° + 20° = 60°. The transmitted intensity is I210601260=°=°coscos22,
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