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Speed of EMW

  1. May 17, 2014 #1
    Hi, I've read that the speed of em waves in the vacuum is the electric field component frac the magnetic field component, why and how can this be explained more easily ?

  2. jcsd
  3. May 17, 2014 #2


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    2017 Award

    Staff: Mentor

    This is a result of the Maxwell equations, I found a description here.
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