RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    In \[{{H}_{2}}\] molecule (atom) its total energy is proportional to:

    A)  \[{{n}^{2}}\]                     

    B)         n                           

    C)  \[\frac{1}{n}\]                 

    D)        \[\frac{1}{{{n}^{2}}}\]

    Correct Answer: D

    Solution :

    In \[{{H}_{2}}\] molecule total energy \[E=\frac{-n{{z}^{2}}{{e}^{4}}}{8{{\varepsilon }_{0}}^{2}{{h}^{2}}}\left( \frac{1}{{{n}^{2}}} \right)\]                 \[\therefore \]  \[E\propto \frac{1}{{{n}^{2}}}\]


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