Electromagnetic wave amplitude doubling · CAP 2006 #6
Physics
Problem
The amplitude of an electromagnetic wave in vacuum is doubled with no other changes made to the wave. As a result of this doubling of the amplitude, which of the following statements is correct?
(a) The speed of propagation of the wave changes.
(b) The frequency of the wave changes.
(c) All of the above are true.
(d) None of the above is true.