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What is the energy of photon of red light that has a wavelength of 656nm? 2.what...

What is the energy of photon of red light that has a wavelength of 656nm? 2.what is the energy of a quantum of light with a frequency of 7.39 x 1014 Hz.? 3. A certain red light has a wavelength of 680nm. What is the frequency of the light?

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