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The electronic transition from n = 2 to ...

The electronic transition from n = 2 to n = 1 will produce shortest wave length in (where n = principle quantum state)

A

`Li^(2+)`

B

`He^(+)`

C

H

D

`H^(+)`

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The correct Answer is:
A
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RC MUKHERJEE-ATOMIC STRUCTURE AND RADIOACTIVITY-Objective Problems
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