If velocity of an electron in 1st orbit ...

If velocity of an electron in 1st orbit of H atoms is V , what will be the velocity in 3rd orbit of `Li^(2+)` ?

A

v

B

`v//3`

C

`3v`

D

`9v`

Verified by Experts

The correct Answer is:

A

`v_(n) prop (z)/(n) rArr v=k(1)/(1)," For "Li^(2+), v_(3)=kxx(3)/(3)=v`

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