Question

Calculate the frequency of the spectral line corresponding to the transition n = 2, ℓ =...

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?

Science   Advanced-Physics   
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Answer #1

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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