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If visible light is electromagnetic field of certain wavelength does it form closed loops?

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closed as unclear what you're asking by Qmechanic Jul 5 at 6:41

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As far as we know, there are no magnetic monopoles, in light or anywhere else. This is what $\vec{\nabla}\cdot\vec{B}=0$, which is one of Maxwell’s equations, says. Thus magnetic field lines have nowhere to “end”. They form closed loops or extend to infinity.

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  • $\begingroup$ I think the question was more about magnetic dipoles. $\endgroup$ – user47014 Jul 5 at 0:11

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