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SOLVED: (I) AM radio signals have frequencies between 550 kHz and 1600 kHz (kilohertz) and travel with a speed of 3.0 x 108 m/s What are the wavelengths of these signals? On
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A source emits radio signals of frequency 100 MHz. It moves towards the observer with a speed of 9 kms^-1 , what will be the apparent change in the frequency of the signals?