When a beam of an ordinary White light passes through a Polaroid plate, the intensity of the beam that emerges is ' . A. practically zero B. about 50% of the incident beam C. about one half that of the Incident beam D. about 75% of the incident beam

When a beam of an ordinary White light passes through a Polaroid plate, the intensity of the beam that emerges is ' . A. practically zero B. about 50% of the incident beam C. about one half that of the Incident beam D. about 75% of the incident beam

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 98AP: A radio station broadcasts its radio waves with a power of 50,000 W. What would be the intensity of...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

When a beam of an ordinary White light passes through a
Polaroid plate, the intensity of the beam that emerges is ' .
A. practically zero
B. about 50% of the incident beam
C. about one half that of the Incident beam
D. about 75% of the incident beam

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