JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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An excited state of

\mathrm{H}

atom emits a photon of wavelength

\lambda

and returns in the ground state, the principal quantum number of excited state is given by :

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Correct option: B

\sqrt{\frac{\lambda R}{(\lambda R-1)}}

Option B is correct because the principal quantum number is derived from the Rydberg formula for hydrogen atom emission.

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