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Nodes in the resulting standing wave

  1. Mar 7, 2007 #1
    1. The problem statement, all variables and given/known data
    Microwaves of frequency 10^10 Hz are beamed directly at a metal
    reflector. Neglecting the refractive index of air, determine the spacing
    between successive nodes in the resulting standing wave.

    2. Relevant equations

    3. The attempt at a solution
    dont know what to do here
     
  2. jcsd
  3. Mar 7, 2007 #2
    disturbance is zero at nodes for x=0, lambda/2, 3/2*lambda.....
    so lambda=c/f
    and the the spacing is lambda/2 at the nodes
     
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