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A certain electromagnetic wave has an average intensity of 6 x 104 W/m2. What is the average energy density of the wave? High O3 x 10-8 J/m³ 2x 10-4J/m³ O 6x 104 J/m³

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 59P: What is the intensity of an electromagnetic wave with a peak electric field strength of 125 Vim?

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Question

A certain electromagnetic wave has an average intensity of 6 x 104 W/m2. What is the average energy density of the
wave?
High
O3x10-8 J/m³
2x 10-4J/m³
O6x 104 J/m³

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