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JEE Main & Advanced Physics Atomic Physics Question Bank Atomic Structure

  • question_answer
    The ionisation potential of hydrogen atom is 13.6 volt. The energy required to remove an electron in the n = 2 state of the hydrogen atom is                           [NCERT 1983; MP PET 2005]

    A)            27.2 eV                                   

    B)            13.6eV

    C)            6.8eV                                      

    D)            3.4eV

    Correct Answer: D

    Solution :

               Energy required to remove electron in the n = 2 state\[=+\frac{13.6}{{{(2)}^{2}}}=+3.4\,eV\]          


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