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Nodes in the resulting standing wave

  • #1

Homework Statement


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.

Homework Equations



The Attempt at a Solution


dont know what to do here
 

Answers and Replies

  • #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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