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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 −RH9 (where RH is Rydberg constant) is

Structure of Atom

Solution:

−RHn2=−RH9⇒n=3

image

Degeneracy =1+3+5=9