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What is the wavelength in nm of the spec...

What is the wavelength in nm of the spectral line associated with a transition from n=3 to n= 2 for the `Li^(2+)` ion?

A

219

B

656

C

`73.0`

D

486

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
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  6. What is the maximum wavelength line in the Lyman series of He^(+) ion?

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