EBK PHYSICS
5th Edition
ISBN: 8220103026918
Author: Walker
Publisher: PEARSON
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Chapter 25.5, Problem 5EYU
In the system shown in Figure 25-36, a vertically polarized incident beam of light encounters two polarizers. If polarizer 1 is removed from the system, does the intensity of the transmitted beam increase, decrease, or stay the same? Explain.
Figure 25-36
Enhance Your Understanding 5.
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Two polarizing filters are arranged as shown. Their transmission axes are measured with respect to the vertical. The source emits unpolarized light with an intensity of 2 W/m.
final
When the angle B is set to 75° the final intensity becomes Ifinal = 0. Calculate (in degrees) the smallest possible angle a of the second polarizer.
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DETAILS
Polarization Experiment
x
0
100
150
200
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350
Theta (degrees)
-cos^2(theta) -Normalized I
By what angle is the observed data out of phase with cos² 0 ?
O 25
O 50
O 75
O 90
Which statement provides the best explanation for this observation?
O The transmission axis of either the polarizer or analyzer (or maybe both) is misaligned to the markings on holder.
O The lab table is not level.
O cos² 0 was calculated in radians rather than degrees.
O There was a draft in the room.
O A polarized light source was used instead of an unpolarized light source.
50
Can you explain and solve the question please
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EBK PHYSICS
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