Modern Physics 1 Question 35

32. The quantum number n of the state finally populated in He+ ions is

(2008,4 M)

(a) 2

(b) 3

(c) 4

(d) 5

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Solution:

Energy given by H-atom in transition from n=2 to n=1 is equal to energy taken by He+atom in transition from n=2 to n=4.



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