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Grade 12th PassModern Physics

The frequency of revolution of electron in nth orbit is fn .If the electron mskes a transition from nth orbit to (n-1)th orbit ,then the relation between the frequency of emitted photon and fn will be?

Profile image of Sridev Venkataraman
6 Years agoGrade 12th Pass
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1 Answer

Profile image of Vikas TU
6 Years ago
Dear student 
Frequency of electron in nth orbit is 
f is directly proportional to Z^2 / n^3
If electron make transition from n to n-1 orbit , then 
emitted photon 
f' is directly proportional to Z^2 (1/n^3 - 1/(n-1)^3)
f'/f = 1 - n^3 / (n-1)^3 
Hope this helps 

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