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Waves requires particles disturbance to travel in medium then how electromagnetic waves can travel in vacuum because their are not any type of particles. Please please give the correct answer as soon as possible.

Waves requires particles disturbance to travel in medium then how electromagnetic waves can travel in vacuum because their are not any type of particles. Please please give the correct answer as soon as possible.

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1 Answers

Arun
25763 Points
3 years ago
I first i would like to explain how a wave travels in a medium. we know that a wave is a disturbance and it has certain energy associated, so when this wave enters a medius it basically sets the particles of the medium to vibrate this vibration is passed from one particle to other thus the wave is transferred in a medium.Now in care of a an Electromagnetic wave in a free-space/vacuum, as we know from the Maxwell`s equations that a changing magnetic field produces an electric field and vice versa. EM wave requires no medium as electric fields and magnetic fields constantly generate each other as the wave propagates.

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