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In any wave, there is always \"something\" that is oscillating back and forth, w

ID: 1904004 • Letter: I

Question

In any wave, there is always "something" that is oscillating back and forth, which the perturbation itself propagates in space in some direction. In the case of electromagnetic waves, what is "waving" (oscillating)? (Check all that apply). Answer a. An electric field perpendicular to the direction of propagation. b. An electric field parallel to the direction of propagation. c. A magnetic field perpendicular to the direction of propagation. d. A magnetic field parallel to the direction of propagation.

Explanation / Answer

a,c

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