Light is entering a polarizer or set of polarizers from the left. Determine the

Question

Light is entering a polarizer or set of polarizers from the left. Determine the relative intensity of the light exiting on the right after passing through all of the polarizers. The dashed vertical lines represent the vertical reference. The solid lines represent either the polarization angle of the light or the transmission angle of the polarizer. CW represents clockwise and CCW represents counterclockwise as viewed from the right looking back to the left along the path of the light. Horizontally polarized light passes through a polarizer with the transmission axis oriented 90e relative to the vertical and then through a second polarizer oriented 90 relative to the vertical 90° 90° 90° : vertically polarized light enters from, the left and passes first through a polarizer oriented 4SoCw from the vertical and the through a polarizer oriented 45?CV. 45 45 Horizontally polarized light passes through a polarizer with the transmission axis oriented vertically and then through a second polarizer oriented 90° relative to the vertical. 90 90° ) unpolarized light enters from the left and passes first through a polarizer oriented 45°Cw from the vertical and the through a polarizer oriented 45° CCW. Unpolarized Light

Explanation / Answer

the unpolarized light has 50 percent intensity loss passing through a polarizer

the intensity is related by the Malu's law by the relative angle contribution.

which means that light polarized perpendicular to the polarizer has zero transmission

light polarizerd parallel to the polarizer has full transmission

light polarized at any angle to the polarizer has partial transmission

1. Zero

2. Partial

3. Zero

4. Full

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