College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Chapter 25, Problem 35P
25.6 Polarization and light reflection
* Two polarizing sheets are oriented at an angle of
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QUESTION 16
A beam of unpolarised light is sent through two polarizing sheets placed one on top of the other. The
angle between the polarizing directions of the sheets is 450 for the intensity of the transmitted light to
the incident intensity. Determine the amount of the intensity of the transmitted light to the incident
intensity.
O A. Half the incident intensity
B. One third the incident intensity.
Oc. One fourth the incident intensity
D. Two third the incident intensity.
E. One fifth the incident intensity
horizontally polarized light is incident on a polarizing filter with an axis of polarization that makes an angle of 32 with the vertical. a) what percentage of the incident light is blocked by the polarizer? b) what angle should the polarizer make with the vertical to block exactly half of the incident light?
Unpolarized light with intensity Io is incident on an
ideal polarizing filter. The emerging light strikes a
second ideal polarizing fiter whose axis is at 38 0
to that of the first
4
Part A
Determine the intensity of the beam after it has passed through the second polarizer
Express your asnwer as a multiple of intensity lo.
[IG] ΑΣΦ
Submit
Part B
Request Answer
Determine its state of polarization
Submit
O The light is linearly polarized along the axis of the first filter
O
The light is linearly polarized along the axis of the second fiter
O
The light is linearly polarized perpendicular to the ads of the second filter
The light is linearly polarized perpendicular to the aus of the first fitor
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Chapter 25 Solutions
College Physics
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