JEE Main & Advanced Physics Atomic Physics Question Bank Atomic Structure

  • question_answer
    In the Bohr's hydrogen atom model, the radius of the stationary orbit is directly proportional to (n = principle quantum number) [MNR 1988; SCRA 1994; CBSE PMT 1996; AIIMS 1999; DCE 2002]

    A)            \[\beta \]                              

    B)            n

    C)            \[{{n}^{-2}}\]                       

    D)            \[{{n}^{2}}\]

    Correct Answer: D

    Solution :

               Bohr radius \[r=\frac{{{\varepsilon }_{0}}{{n}^{2}}{{h}^{2}}}{\pi Zm{{e}^{2}}};\ \ \therefore r\propto {{n}^{2}}\]


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