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OpenStudy (anonymous):
I'LL MEDAL If you could really explain this problem to me I'd be super grateful! Calculate the wavelength of radio waves broadcasting at 550nm. (here's where I get confused) The book gives 2 formulas. One is for the average speed of sound IN SOFT TISSUE OR WATER (1500m/s). The other is for the speed of light (3E8m/s). The radio waves are being broadcasted, so I'm not sure which one to use.
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