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a radio station broadcasts its program at 219.3m wavelength. determine the frequency of ratio waves if velocity of ratio waves is 3 X 10^8 m/s.

wavelength= 219.3m
velocity,c= 3*10^8 m/s
c= frequency*wavelength.
frequency = c/wavelength
= 3*10^8/219.3
= 1368 khz.




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