An unpolarized beam of light is incident on a series of two polarizers whose polarization axes form 30°. If the intensity of the incident light is 40 W/cm2, what will its intensity be after passing through the second polarizer?a. (120/√2) W/cm2b. 40 W/cm2c. 30 W/cm2d. 20 W/cm2e. 15 W/cm2

Solution: After passing first polarizer the intensity is 20 W/cm2 and the beam becomes polarized.

Answered: An unpolarized beam of light is…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section: Chapter Questions

Problem 4OQ: If plane polarized light is sent through two polarizers, the first at 45 to the original plane of...

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An unpolarized beam of light is incident on a series of two polarizers whose polarization axes form 30°. If the intensity of the incident light is 40 W/cm², what will its intensity be after passing through the second polarizer?

a. (120/√2) W/cm²

b. 40 W/cm²

c. 30 W/cm²

d. 20 W/cm²

e. 15 W/cm²

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