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For any H like system, the ratio of velo...

For any H like system, the ratio of velocities of electron in I, II & III orbit e.e.,`V_(1):V_(2):V_(3)` will be:

A

`1:2:3`

B

`1:1//2:1//3`

C

`3:2:1`

D

`1:1:1`

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