The vibrating electric and magnetic fields, regenerate to make up an electromagnetic wave, which moves outward from the vibrating charge.
Electromagnetic wave having frequency of 1 KHz.
The frequency of an electromagnetic wave as it vibrates through space is identical to the frequency of the oscillating electric charge that generates it.
Therefore, If an electron vibrates up and down 1000 times each second then generated electromagnetic wave have frequency of 1000 Hertz or 1 KHz.
Frequency is defined as number of vibration per second.
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