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An orbit electron in the ground state of...

An orbit electron in the ground state of hydrogen has an angular momentum `L_(1)`, and an orbital electron in the first orbit in the ground state of lithium (dounle ionised positively) has an angular momentum `L_(2)`. Then :

A

`L_1 =L_2`

B

`L_1 =3L_2`

C

`L_2=3L_1`

D

`L_2 =9L_1`

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The correct Answer is:
A
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