Can't all electromagnetic waves travel at light speed?

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Diagon
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1. The problem statement, all variables and given/known
Is it true that nothing can travel faster than the speed of light? Can't all electromagnetic waves travel at light speed. Also, if the speed of light is a constant, is the speed of the other electromagnetic waves a constant such as x rays, radio waves, and microwaves?


Homework Equations



E=hf C=fv

The Attempt at a Solution

 

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