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  3. BHU PMT

BHU PMT BHU PMT (Screening) Solved Paper-2008

  • question_answer
    The potential energy U between two atoms in a diatomic molecule as a function of the distance\[x\]between atoms has been shown in the adjoining figure. The atoms are

    A)  attracted when\[x\]lies between A and B and are repelled when\[x\]lies between B and C

    B)  attracted when\[x\]lies between B and C and are repelled when\[x\]lies between A and B

    C)  attracted when they reach B

    D)  repelled when they reach B

    Correct Answer: B

    Solution :

                     Negative value of potential energy decreases from C to B and there after increases. It shows that KE increases from C to B and there after it decreases. So, there is attraction from C to B and after which repulsion results.


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