The fraction of intensity transmitted for the given case.
Explanation of Solution
Write expression for intensity of the light after passing through first polarizer.
Here,
Write expression for intensity of light after passing through second polarizer.
Here,
Write expression for intensity of light after passing through third polarizer.
Here,
Substitute
Write expression for fraction of intensity passed.
Conclusion:
Substitute
Substitute
Substitute
Thus, the fraction of intensity passed is
(b)
The fraction of intensity transmitted for given case.
(b)
Explanation of Solution
Write expression for intensity of the light after passing through first polarizer.
Here,
Write expression for intensity of light after passing through second polarizer.
Here,
Write expression for intensity of light after passing through third polarizer.
Here,
Substitute
Write expression for fraction of intensity passed.
Conclusion:
Substitute
Substitute
Substitute
Thus, the fraction of intensity passed is
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Chapter 23 Solutions
General Physics, 2nd Edition
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