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Author Question: Consider an electromagnetic wave traveling in the positive y direction. The magnetic field ... (Read 45 times)

Lisaclaire

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on: Jul 28, 2018
Consider an electromagnetic wave traveling in the positive y direction. The magnetic field associated with the wave at some location at some instant points in the negative x direction as shown in Figure OQ34.11. What is the direction of the electric field at this position and at this instant?
 
  1.the positive x direction
  2.the positive y direction
  3.the positive z direction
  4.the negative z direction
  5.the negative y direction

Question 2

Rank the following kinds of waves according to their speeds from fastest to slowest:
   (a) gamma rays
   (b) microwaves
   (c) radio waves
   (d) visible light
   (e) x-rays


  1.c > b > d > e > a
  2.b > c > e > b > a
  3.a > e > d > b > c
  4.e = a = c = d = b


lin77x

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Reply #1 on: Jul 28, 2018
Answer to Question 1

4

Answer to Question 2

4


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