10). Unpolarized light of intensity I0 passes through four ideal polarizing sheets. The polarizing angle of each sheet is rotated 30° from the one before it, so that the last sheet is aligned at 90°.
10a). Light passes through three ideal polarizing sheets. Unpolarized light enters the first sheet and
the resultant vertically polarized beam continues through the second sheet and third sheet.
The second sheet has its transmission axis at 50° with respect to the first sheet, and the third
sheet is at 70° with respect to the first sheet.
(b) What percent of the original intensity emerges from filter #1?
(c) What percent of the original intensity emerges from filter #2?
(d) What percent of the original intensity emerges from filter #3?
10e). Unpolarized light of intensity I0 passes through three ideal polarizing sheets. The polarizing
angle of each sheet is rotated 30° from the one before it, so that the last sheet is aligned at 60°
to the first sheet. What is the intensity of the light emerging from the third sheet in terms of I0?
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