Unpolarized light of intensity I, is sent through three polarizing sheets as shown in the figure. The polarizing direction of the first sheet is vertical. The polarizing direction of the second sheet is rotated counterclockwise by 30 degrees with respect to the vertical. The polarizing direction of the third sheet is rotated counterclockwise by 60 degrees with respect to the vertical. What is the emergent intensity I ?

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Unpolarized light of intensity I, is sent through
three polarizing sheets as shown in the figure.
The polarizing direction of the first sheet is
vertical. The polarizing direction of the second
sheet is rotated counterclockwise by 30 degrees
with respect to the vertical. The polarizing
direction of the third sheet is rotated
counterclockwise by 60 degrees with respect to
the vertical. What is the emergent intensity I ?
I
Select one:
О а. 91/32
O b. 310/8
O c.
Io/32
O d. 9/o/64
е.
310/16
Transcribed Image Text:Unpolarized light of intensity I, is sent through three polarizing sheets as shown in the figure. The polarizing direction of the first sheet is vertical. The polarizing direction of the second sheet is rotated counterclockwise by 30 degrees with respect to the vertical. The polarizing direction of the third sheet is rotated counterclockwise by 60 degrees with respect to the vertical. What is the emergent intensity I ? I Select one: О а. 91/32 O b. 310/8 O c. Io/32 O d. 9/o/64 е. 310/16
The group that worked at your station in the
preceding lab left a copy of one of the plots they
made during the lab. If the plot looks like the
image shown below, how many polarizers were
used to make the plot? (Assume that the
unpolarized light of 20 lux falls on the first
polarizer, and if more than two polarizers are
used, assume only the second polarizer
rotates.)
Intensity
10
4
Angle
45
135
180
225
270
315
360
06
Select one:
1
3
2
Transcribed Image Text:The group that worked at your station in the preceding lab left a copy of one of the plots they made during the lab. If the plot looks like the image shown below, how many polarizers were used to make the plot? (Assume that the unpolarized light of 20 lux falls on the first polarizer, and if more than two polarizers are used, assume only the second polarizer rotates.) Intensity 10 4 Angle 45 135 180 225 270 315 360 06 Select one: 1 3 2
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