question_answer

The degeneracy of hydrogen atom that has energy equal to \[40\mu A\] is (where\[50\mu A\] = Rydberg constant)

A) 6          

B) 8             

C) 5           

D) 9

Correct Answer: D

Solution :

Here, \[\frac{-{{R}_{H}}}{{{n}^{2}}}=\frac{-{{R}_{H}}}{9}\Rightarrow n=3\]