A small helium-neon laser emits red visible light with a power of 5.40 mW in a beam of diameter 2.10 m. What is the average energy density associated with the electric field average energy density associated with the magnetic field, and the total energy contained in a 1.00 m length of the beam. The amplitutde of the electric field of the light is 1080 V/m and the amplittude of the magnetic field of the light is 3.61 x 10-6T
A small helium-neon laser emits red visible light with a power of 5.40 mW in a beam of diameter 2.10 m. What is the average energy density associated with the electric field average energy density associated with the magnetic field, and the total energy contained in a 1.00 m length of the beam. The amplitutde of the electric field of the light is 1080 V/m and the amplittude of the magnetic field of the light is 3.61 x 10-6T
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter34: Maxwell’s Equations And Electromagnetic Waves
Section: Chapter Questions
Problem 22PQ
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A small helium-neon laser emits red visible light with a power of 5.40 mW in a beam of diameter 2.10 m.
What is the average energy density associated with the electric field average energy density associated with the magnetic field, and the total energy contained in a 1.00 m length of the beam. The amplitutde of the electric field of the light is 1080 V/m and the amplittude of the magnetic field of the light is 3.61 x 10-6T
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