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Author Question: The average magnetic energy density of an electromagnetic wave is 8.95 10-5 J/m3. What is the ... (Read 62 times)

RODY.ELKHALIL

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on: Jul 29, 2018
The average magnetic energy density of an electromagnetic wave is 8.95  10-5 J/m3. What is the magnetic field component of this wave?
 
  A)
 
  12.0 T
  B)
 
  13.0 T
  C)
 
  14.0 T
  D)
 
  15.0 T
  E)
 
  16.0 T

Question 2

Light from a monochromatic source shines through a double slit onto a screen 5.0 m away. The slits are 0.18 mm apart. The dark bands on the screen are measured to be 1.7 cm apart. What is the wavelength of the incident light?
 
  A)
 
  457 nm
  B)
 
  306 nm
  C)
 
  392 nm
  D)
 
  612 nm
  E)
 
  784 nm


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makaylafy

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

D


RODY.ELKHALIL

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  • Posts: 591
Reply 2 on: Jul 29, 2018
Wow, this really help

momolu

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Reply 3 on: Yesterday
:D TYSM

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