You need to be introduced to the wave equation:
frequency*wavelength= speedofLight
1.) The microwave protion of the spectrum has wavelengths ranging from 1 mm to 1 m. find the corresponding frequency?
2.) An AM radio station has a wavelength of 300 m. find this station’s frequency?
3.) A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?
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speed of light is about 3 * 10^8 meters/ second by the way
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