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The wavelength of the energy emitted whe...

The wavelength of the energy emitted when electron come from fourth orbit to second orbit in hydrogen is `20.397 cm`. The wavelength of energy for the same transition in `He^(+)` is

A

`5.099 cm^(-1)`

B

`20.497 cm^(-1)`

C

`40.994 cm^(-1)`

D

`81.988 cm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
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