The hydrogen -like species ` Li^(2+)` is in a spherically symmetric state ` S_1` whth one radisal node . Upon absorbing light the ion undergoes transitoj ot a state ` S_2` has one radial node and its enrgy is equal to the groun sate energy of hhe hydrogen atom.
The orbital angular momentum quantum number of the state ` s_2` is :

Options

A. 0
B. 1
C. 2
D. 3

Answer

B

Explanation

Azimuthal quantum number for ` S-2 = l =1`