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In Bohr's model for hydrogen atom, the energy of photon emitted by an electron is equal to the difference in potential energy of electron in the two orbits. I do not understand this part. Shouldn't we take the difference of total energy of electrons for the two orbits? Since the total energy of electron in any orbital is half the potential energy, shouldn't the energy of the emitted photon be half the change in potential energy?

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  • $\begingroup$ It should and is. $\endgroup$ – Ivan Neretin Dec 29 '18 at 10:21
  • $\begingroup$ I was reading this: physics.stackexchange.com/a/86537/217923. In this answer, the energy of photon is taken to be equal to the change in potential energy. What am I missing? Is that answer wrong? $\endgroup$ – Harsh Dec 29 '18 at 10:25

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