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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. |