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23 October, 11:30

Why do electromagnetic waves not require a medium for travel?

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  1. 23 October, 11:47
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    Because they propagate due to presence of magnetic and electric field.

    Explanation:

    An Electromagnetic wave is a transversal wave conformed of an electric field perpendicular to a magnetic field.

    Maxwell established that an electric field can generate a magnetic field and vice versa, which allows the propagation of the electromagnetic wave without a medium.
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