A) 4
B) 5
C) 2
D) 3
Correct Answer: A
Solution :
Energy of proton = 13.6 . 3.4 = 10.2eV For removal of electron \[10.2eV>13.6\frac{{{z}^{2}}}{{{n}^{2}}}\] \[{{n}^{2}}>13.6\frac{9}{10.2}\] so minimum value of n = 4You need to login to perform this action.
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