Physics

When an electron makes a transition from its first quantum level to ground level, the energy difference is carried by the emitted photon. In comparison, how much energy is needed to return an electron at ground level to the first quantumlevel?

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asked by Kara
  1. The energy required to restore the atom to the first quantum level is the same as that of the photon emitted in the reverse process.

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    posted by drwls

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