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March 29, 2017

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An excited atom decays to its ground state and emits a green photon. If the atom decayed to an intermediate state instead, the photon emitted could be....

red or blue?

  • Physics check - ,

    It would have to be of longer wavelength, because the energy gap would be less. Red would be one possibility, but there are others, such as yellow, orange, red-orange and infrared.

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