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# Notice that a polarizer modifies the light intensity according to Malus's law and also reorients the polarization angle of the beam to match its own...

Notice that a polarizer modifies the light intensity according to Malus's law and also reorients the polarization angle of the beam to match its own transmission axis. Hence it is possible for light to pass through a pair of crossed polarizers if a third polarizer is inserted between them with an intermediate transmission axis direction. What is the new intensity I_2 of the light emerging from the final polarizer in Part E if a third polarizer (Polarizer A in the figure (Part F figure) ), whose transmission axis is offset 45 {rm degrees} from each of the others, is inserted between the original two polarizers?
Express your answer as a decimal number times the symbol I_0. For example, if I_2 = (1/4) I_0, enter 0.25 * I_0.

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