Nuclear Physics and RadioactivityHard
Question
The electron in a hydrogen atom jumps back from an excited state to ground state, by emitting a photon of wavelength λ0 = 
where R is Rydberg’s constant. In place of emitting one photon, the electron could come back to ground state by
where R is Rydberg’s constant. In place of emitting one photon, the electron could come back to ground state by Options
A. Emitting 3 photons of wavelength λ1, λ2 and λ3 such that 
B. Emitting 2 photons of wavelength λ1, and λ2 such that 
C. Emitting 2 photons of wavelength λ1, and λ2 such that λ1, + λ2 = 
D. Emitting 3 photons of wavelength λ1, λ2 and λ3 such that λ1, + λ2 + λ3 =
, n = 4
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