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Plane-polarized light is incident on a single polarizing disk with the direction of nE0 parallel to the direction of the transmission axis. Through what angle should the disk be rotated so that the intensity in the transmitted beam is

(a) reduced by 25%

(b) reduced by 50%

(c) increased by 10%?

Plane-polarized light is incident on a single polarizing disk with the direction of nE0 parallel to
the direction of the transmission axis.

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