Three polarizing plates whose planes are parallel are centered on a common axis.

Question

Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction are shown in the figure below 01 A linearly polarized beam of light with the plane of polarization parallel to the vertical reference direction is incident from the left on the first disk with intensity 1.-12.6 units (arbitrary). Calculate the transmitted intensity after the first polarizer when 1-21.4. Do not enter units. Submit Answer Tries 0/10 Calculate the transmitted intensity after the second polarizer when 2 = 40.1°. Do not enter units. Submit Answer Tries 0/10 Calculate the transmitted intensity after the third polarizer when 3-59.70. Do not enter units Submit Answer Tries 0/10

Explanation / Answer

I1 = 12.6 x cos221.4 = 10.9225 units

I2 = 10.9225 x cos2(40.1 - 21.4) = 9.7997 units

I3 = 9.7997 x cos2(59.7 - 40.1) = 8.697 units

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