College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Textbook Question
Chapter 25, Problem 2MCQ
Multiple Choice Questions
What does a beam of unpolarized light lose after passing through one polarizer? (a) One-half of its intensity (b) One-quarter of its intensity (c) No intensity, as it was not polarized before.
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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
Which of the following is true about polarization? Mark all that apply.
Polarization can be caused by both absorption and reflection.
B.
Polarized waves have a preferential direction of oscillation
Light can only be totally polarized or completely unpolarized
The human eye can tell the difference between polarized and unpolarized light
1. You look at a light source through a polarizer. As you turn the polarizer you see no
change in intensity. Is the light emitted by this source polarized?
Chapter 25 Solutions
College Physics
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