I need the answer as soon as possible sec. 33-5 Energy Transport and the Poynting Vector•7 What is the intensity of a traveling plane electromagneticwave if B, is 1.0 X 10-4 T?•8 Assume (unrealistically) that a TV station acts as a pointsource broadcasting isotropically at 1.0 MW. What is the intensityof the transmitted signal reaching Proxima Centauri, the star near-est our solar system, 4.3 ly away? (An alien civilization at that dis-tance might be able to watch X Files.) A light-year (ly) is the dis-tance light travels in one year.•9 ILW Some neodymium-glass lasers can provide 100 TW ofpower in 1.0 ns pulses at a wavelength of 0.26 µm. How much en-ergy is contained in a single pulse?•10A plane electromagnetic wave has a maximum electric field

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•7 What is the intensity of a traveling plane electromagnetic wave if B, is 1.0 × 10-4 T?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 97AP: Suppose a source of electromagnetic waves radiates uniformly in all directions in empty space where...

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I need the answer as soon as possible

sec. 33-5 Energy Transport and the Poynting Vector
•7 What is the intensity of a traveling plane electromagnetic
wave if B, is 1.0 X 10-4 T?
•8 Assume (unrealistically) that a TV station acts as a point
source broadcasting isotropically at 1.0 MW. What is the intensity
of the transmitted signal reaching Proxima Centauri, the star near-
est our solar system, 4.3 ly away? (An alien civilization at that dis-
tance might be able to watch X Files.) A light-year (ly) is the dis-
tance light travels in one year.
•9 ILW Some neodymium-glass lasers can provide 100 TW of
power in 1.0 ns pulses at a wavelength of 0.26 µm. How much en-
ergy is contained in a single pulse?
•10
A plane electromagnetic wave has a maximum electric field

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