Obtain the energy of the emitted photon

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Reference no: EM13308076

A hydrogen atom initially in the n=3 level emits a proton and ends up in the ground state.

a) What is the energy of the emitted photon?

b) If this atom then absorbs a 2nd photon and returns to the n=3 state, what must the energy of this photon be?

Reference no: EM13308076

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