Question

What is the energy of the photon that, when absorbed by a hydrogen atom, could cause...

What is the energy of the photon that, when absorbed by a hydrogen atom, could cause the following?

(a) an electronic transition from the n = 2 state to the n = 5 state
eV

(b) an electronic transition from the n = 5 state to the n = 7 state
eV

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