Calculate the frequency of the spectral line
corresponding to the transition n = 2, ℓ = 1 to
the
state n = 1 and ℓ = 0 for the helium atom. How does it differ from
the corresponding frequency for hydrogen?
The energy levels of Hydrogen like atoms are given by,
--------------------------(1)
Now,
in
-------------------------(2)
Using (2),
For Hydrogen atom, the frequency is obtained by putting Z=1 in (2), we get
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