# Three polarizing disks whose planes are parallel and centered on common axis. The directions of their transmission axes relative to the vertical are respectively: θ1 = 33o clockwise, θ2 = 24o counter-clockwise, and θ3 = 23o clockwise. A beam of light polarized along the vertical is incident onto the first polarizer with an intensity of I0 = 30.0 W/m². Calculate the transmitted intensity through all three polarizers.

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Three polarizing disks whose planes are parallel and centered on common axis. The directions of their transmission axes relative to the vertical are respectively: θ1 = 33o clockwise, θ2 = 24o counter-clockwise, and θ3 = 23o clockwise. A beam of light polarized along the vertical is incident onto the first polarizer with an intensity of I0 = 30.0 W/m². Calculate the transmitted intensity through all three polarizers.

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Step 1

After the 1st polarizing disk, the intensity as given by Malus law is,

Step 2

After the 2nd polarizing disk, the intensity is,

Step 3

After the 3rd polarizing disk, ...

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