What is the total energy contained in a 1.0. M length of the beam ? U= ? J

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What is the total energy contained in a 1.0. M length of the beam ? U= ? J
Problem 32.38
A small helium-neon laser emits red visible light with a power
of 5.40 mW in a beam that has a diameter of 2.70 mm
Part A
What is the amplitude of the electric field of the light?
Express your answer with the appropriate units.
Emax = 843
V
m
Previous Answers
v Correct
Part B
What is the amplitude of the magnetic field of the light?
Bmax = 2.81x10-6 T
Previous Answers
Correct
a
P Type here to search
hp
Transcribed Image Text:Problem 32.38 A small helium-neon laser emits red visible light with a power of 5.40 mW in a beam that has a diameter of 2.70 mm Part A What is the amplitude of the electric field of the light? Express your answer with the appropriate units. Emax = 843 V m Previous Answers v Correct Part B What is the amplitude of the magnetic field of the light? Bmax = 2.81x10-6 T Previous Answers Correct a P Type here to search hp
power
Part C
m
What is the average energy density associated with the electric field?
Express your answer with the appropriate units.
J
uE = 1.57x10-
Submit
Previous Answers
Correct
Part D
What is the average energy density associated with the magnetic field?
Express your answer with the appropriate units.
J
uB = 1.57×10-6
Previous Answers
Correct
a
Transcribed Image Text:power Part C m What is the average energy density associated with the electric field? Express your answer with the appropriate units. J uE = 1.57x10- Submit Previous Answers Correct Part D What is the average energy density associated with the magnetic field? Express your answer with the appropriate units. J uB = 1.57×10-6 Previous Answers Correct a
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