if electron falls from n3 to n 2 then


If electron falls from n=3  to n= 2 , then emitted energy is:

(1) 10.2ev                           

(2) 12.09 ev          

(3) 1.9ev                             

(4)0.65ev

Ans: 10.2ev

 

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Chemistry: if electron falls from n3 to n 2 then
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