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Biology, 27.06.2019 16:20 josebienka
An electromagnetic wave in a vacuum has a wavelength of 0.07 m. what is its frequency? 4.3 x 108 m/s 4.3 x 10' hz 3.0 x 108 m/s 3.0 x 10' hz
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An electromagnetic wave in a vacuum has a wavelength of 0.07 m. what is its frequency? 4.3 x 108 m/...
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