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The hydrogen-like species Li^(2+) is i...

The hydrogen-like species `Li^(2+)` is in a spherically symmetric state `S_(1)` with one radial node. Upon absorbing light the ion undergoes transition to a state `S_(2)`. The state `S_(2)` has one radial node and its energy is equal to the ground state energy of the hydrogen atom.
The state `S_(1)` is :

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
In `S_(2` state , `E(Li^(2+))=K` (given)`" "K=(qk)/(n^(2))" "rArr" "n=3`
Since, `s_(2)` has one radial node. `3-l-1=1 rArr l=1`
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