Consider an electromagnetic wave traveling in the positive y ...

[Lisaclaire]

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]

Answer to Question 1

4

Answer to Question 2

4