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The wave number of first line of Balmer ...

The wave number of first line of Balmer series of hydrogen is `152 cm^-1`. The wave number of the first Balmer line of `Li^(2+)` ion is

A

`15200cm^-1`

B

`60800 cm^-1`

C

`76000 cm^-1`

D

`136800 cm^-1`

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