Waves that are emitted in phase from two sources will undergo ...

[segrsyd]

Waves that are emitted in phase from two sources will undergo destructive interference when the paths from the sources differ by
 
  A)
 
  an odd half-integer number of wavelengths.
  B)
 
  a whole integer number of wavelengths.
  C)
 
  an odd one-third-integer number of wavelengths.
  D)
 
  any quarter-integer number of wavelengths.
  E)
 
  none of the above.

Question 2

An electromagnetic wave with components Ey = Eo sin(kx - t) and Bz = Bo sin(kx - t) is a wave with a frequency of
 
  A)
 
  k.
  B)
 
  /2.
  C)
 
  k/.
  D)
 
  .
  E)
 
  /.

[Gabe]

Answer to Question 1

A

Answer to Question 2

B

[segrsyd]

Thanks for the timely response, appreciate it

[pratush dev]

Wow, this really help