5. If the amplitude of the electric field is reduced to one-third of its original size, by what factor has the intensity of an electromagnetic wave changed? Use an equation to justify your reasoning.
5. If the amplitude of the electric field is reduced to one-third of its original size, by what factor has the intensity of an electromagnetic wave changed? Use an equation to justify your reasoning.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter24: Electromagnetic Waves
Section: Chapter Questions
Problem 3PE: What is the maximum electric field strength in an electromagnetic wave that has a maximum magnetic...
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