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Question

The Vividh Bharati station of All India Radio, Delhi broadcasts on a frequency of 1,368 kHz (kilo hertz). Calculate the wavelength of the electromagnetic radiation emitted by transmitter. Which part of the electromagnetic spectrum does it belong to?

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Solution

Wavelength =λ
frequency = ν = 1,368 kHZ = 1368×103Hz
c = speed of light =v×λ
λ=c/v=3×108/1368×103
= 219 meters
It belongs to the far-infrared region or radio wave region.

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