Hydrogen atom from excited state comes to the ground state by emitting a photon of…

Chemistry · NEET · NTA ExamsStructure of Atom

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength λ. If R is the Rydberg constant, the principal quantum number n of the excited state is
  1. \(\sqrt{\frac{\lambda R}{\lambda R-1}}\)
  2. \(\sqrt{\frac{\lambda}{\lambda R-1}}\)
  3. \(\sqrt{\frac{\lambda R^{2}}{\lambda R-1}}\)
  4. \(\sqrt{\frac{\lambda R}{\lambda-1}}\)

Answer

(A) R R-1

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