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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 × 108 ms-1]

(1) 21.92 cm (2) 219.3 m (3) 219.2 m (4) 2192 m

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(2) 219.3 m 

Explaination:::::

\(ν=\frac{C}{\lambda}\)

\(\lambda=\frac{C}{ν}\)

\(\lambda=\frac{3\times 10^8}{1368\times10^3 }\)

\(\lambda = 219.29\)  

 

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