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For electromagnetic waves. Freq = c/(wavelength). Taking c = 3 x 108 m/s:

F = (3 x 108 m/s)/(300 m) = 1 x 106 s-1 = 1 Megahertz

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Q: What is the frequency of a signal that has a wavelength of 300 meters?
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How do you convert frequency from meters to megahertz?

"Meters" is not frequency. It's wavelength. If you know the wavelength in meters, divide 300 by it, and the result is the frequency in MHz. If you know the frequency in MHz, divide 300 by it, and the result is the wavelength in meters.


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