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Waves are disturbances that propagate through space and time. Classically, they travelled through a medium, disturbing the particles but not changing their mean position. Electromagnetic waves/particle-waves need no medium; they are disturbances in their respective fields.
29
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Do the electric and magnetic components of an electromagnetic wave really generate each other?
Frequently when EM waves are taught, it is said that the change in electric field causes a change in the magnetic field, which then causes a change in the electric field, and so on and so forth. …
5
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This electromagnetic wave diagram doesn't make sense to me
I am attempting to learn about electromagnetic waves. … I later ran into this diagram, which agrees much more with my illustration:
Are the waves in these two diagrams representing different things? Is one of them wrong? Where am I mistaken? …