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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2005

  • question_answer
        If 13.6eV energy is required to ionize the hydrogen atom, then the energy required to remove an electron from\[n=2\]is:

    A)  10.2 eV                               

    B)  0 eV

    C)  3.4 eV                                 

    D)  6.8 eV

    Correct Answer: C

    Solution :

                    Energy required to remove an electron from nth orbit is \[{{E}_{n}}=-\frac{13.6}{{{n}^{2}}}\] Here,        \[n=2\] Therefore, \[{{E}_{2}}=-\frac{13.6}{{{2}^{2}}}\] \[=-3.4V\]


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