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The wavelength (in Å) of an emission lin...

The wavelength (in Å) of an emission line obtained for `Li^(2+)` during an electronic transition `n_(2) = 2` and n = 1 is (R = Rydberg constant)

A

`(3R)/(4)`

B

`(27R)/(4)`

C

`(4)/(3R)`

D

`(4)/(27R)`

Text Solution

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The correct Answer is:
D
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