What is the least number of (linear) polarizing filter/s needed to reduce the intensity of light to essentially zero? a. 2 b. 1 c. both a and b, assuming unpolarized light for a and polarized light for b d. neither a nor b, more than 3 filters are needed.

What is the least number of (linear) polarizing filter/s needed to reduce the intensity of light to essentially zero? a. 2 b. 1 c. both a and b, assuming unpolarized light for a and polarized light for b d. neither a nor b, more than 3 filters are needed.

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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Question

What is the least number of (linear) polarizing filter/s needed to
reduce the intensity of light to essentially zero?
a. 2
b. 1
c. both a and b, assuming unpolarized light for a and polarized
light for b
d. neither a nor b, more than 3 filters are needed.

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