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NEET Physics Nuclear Physics And Radioactivity NEET PYQ-Nuclear Physics

  • question_answer
    A certain mass of hydrogen is changed to helium by the process of fusion. The mass defect in fusion reaction is 0.02866 u. The energy liberated per u is (given \[1\text{ }u=931\text{ }MeV\])         [NEET 2013]

    A)  2.67 MeV         

    B)       26.7 MeV

    C)  6.675 MeV       

    D)       13.35 MeV

    Correct Answer: C

    Solution :

    Here, \[\Delta m=0.02866\,U\]
    \[\therefore \] Energy liberated
    \[=\frac{0.02866\times 931}{4}=\frac{26.7}{4}MeV=6.675MeV\]


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