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  4. The degeneracy of hydrogen atom that has energy equal to -(R H /9) (where R H is Rydberg constant) is

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Q. The degeneracy of hydrogen atom that has energy equal to $-\frac{R_{ H }}{9}$ (where $R_{ H }$ is Rydberg constant) is

Structure of Atom

Solution:

$-\frac{R_{ H }}{n^{2}}=-\frac{R_{ H }}{9} \Rightarrow n=3$

image

Degeneracy $= 1 + 3 + 5 = 9$