In Fig. 33-41, unpolarized light is sent into a system of two polarizing sheets. The

Chapter 33, Problem 42

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In Fig. 33-41, unpolarized light is sent into a system of two polarizing sheets. The angles u1 and u2 of the polarizing directionsof the sheets are measured counterclockwise from the positive direction of the y axis (they are not drawn to scale in the figure).Angle u1 is fixed but angle u2 can be varied. Figure 33-45 gives the intensity of the light emerging from sheet 2 as a function of u2. (The scale of the intensity axis is not indicated.) What percentage of the lights initial intensity is transmitted by the two-sheet system when u2 90?y x 1 Figure 33-41 34, 35, and 42. I090 180 Figure 33-45 42.