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The shortest wavelength of He^(+) in Bal...

The shortest wavelength of `He^(+)` in Balmer series is `x`. Then longest wavelength in the Paschene series of `Li^(+2)` is :-

A

`(36 x)/(5)`

B

`(16 x)/(7)`

C

`(9x)/(5)`

D

`(5x)/(9)`

Text Solution

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The correct Answer is:
D
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