A particular station of All India Radio, New Delhi, broadcasts on a frequency of 1,368 kHz (kilohertz). The wavelength of the electromagnetic radiation emitted by the transmitter is [speed of light, ] [2021]

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Solution

Q.
A particular station of All India Radio, New Delhi, broadcasts on a frequency of 1,368 kHz (kilohertz). The wavelength of the electromagnetic radiation emitted by the transmitter is [speed of light, $c = 3.0 \times 10^{8} {ms}^{- 1}$ ] [2021]

1 21.92 cm

2 219.3 m

3 219.2 m

4 2192 m

Ans.
(2)

$υ = \frac{c}{λ}; λ = \frac{c}{υ} = \frac{3 \times 10^{8} {m s}^{- 1}}{1368 \times 10^{3} s^{- 1}} = 219.3$ $m$

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