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In which of the following system will th...

In which of the following system will the wavelength corresponding to `n = 2 to n= 1`be minimum ?

A

Hydrogen atom

B

Deutrium atom

C

Singly ionised helium

D

Doubly ionised lithium

Text Solution

Verified by Experts

The correct Answer is:
D

Wavelength is minimum for which Z is maximum.
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