al What is the cnergy in eV require...
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al What is the cnergy in eV required to excite the electron from n=1 to n=2 state in hydrogen atom? (n = principal quantum number) (C.E.T. (J&K) 2006) (a) 13.6 (b) 3.4 (c) 17 (Ans. (d)] (d) 10.2 pa

JEE/Engineering Exams
Chemistry
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( 768=frac{13 cdot 622}{n 2} ) ( Delta varepsilon=82-61 ) ( 2left(frac{-13 cdot 6}{22}right)-left(frac{-13 cdot 6}{12}right) ) ( =13 cdot 6left(-frac{1}{4}+1right) ) ( =314 times 13 cdot 6 ) ( =1012 mathrm{ev} )
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