A traveling electromagnetic wave in a vacuum has an electric field amplitude of 83.9 V/m. Calculate the intensity S of this wave. Then, determine the amount of energy U that flows through area of 0.0285 m over an interval of 19.3 s, assuming that the area is perpendicular to the direction of wave propagation. S% = W/m? U = J

A traveling electromagnetic wave in a vacuum has an electric field amplitude of 83.9 V/m. Calculate the intensity S of this wave. Then, determine the amount of energy U that flows through area of 0.0285 m over an interval of 19.3 s, assuming that the area is perpendicular to the direction of wave propagation. S% = W/m? U = J

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 49P: A plane electromagnetic wave travels northward. At one instant, its electric field has a magnitude...

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