How do you know that electromagnetic waves can travel through a vacuum?
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The particles associated with the electromagnetic waves, .... to each other and get pertervation EM waves travels in vacuum. ... Photons are released in packets.
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Answer:
Electric and magnetic field variations do not require medium for propagation.
Explanation:
Light waves are electromagnetic in nature.
Electromagnetic waves are the waves radiated by accelerated charges and consists of electric and magnetic fields. The oscillations of these fields are mutually perpendicular to each other as well as to the direction of propagation of the waves..
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