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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Critical Thinking

  • question_answer
    The energy of an electron in the first Bohr orbit of \[H\]atom is \[-13.6eV\]. The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are) [IIT 1998; Orissa JEE 2005]

    A)                 \[-3.4eV\]          

    B)                 \[-4.2eV\]

    C)                 \[-6.8eV\]

    D)                 \[+6.8eV\]

    Correct Answer: A

    Solution :

                    Values of energy in the excited state \[=-\frac{13.6}{{{n}^{2}}}eV\] \[=\frac{-13.6}{4}=-3.4\,eV\]in which \[n=2,\,3,\,4\]etc.


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