DUMET Medical DUMET Medical Solved Paper-2011

  • question_answer
    According to CE van der Waal, the in teratomic potential veries with the average in teratomic distance (R) as

    A)  \[{{R}^{-1}}\]             

    B)  \[{{R}^{-2}}\]

    C)  \[{{R}^{-4}}\]            

    D)  \[{{R}^{-6}}\]

    Correct Answer: D

    Solution :

     \[{{E}_{dis}}=\frac{-3}{4}\frac{\alpha _{0}^{2}I}{{{(4\pi {{\varepsilon }_{0}})}^{2}}{{r}^{6}}}\] where \[{{\alpha }_{0}}\] is the polarizability, is the first ionization potential, \[{{\varepsilon }_{0}}\]is the vacuum permittivity and r is the distance of the two atoms. The potential is proportional to \[1/{{r}^{6}}\].


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