JCECE Engineering JCECE Engineering Solved Paper-2013

  • question_answer
    In a nuclear fission, \[0.1%\] mass is converted into energy. The energy released by the fission of \[1\,\,kg\] mass will be

    A) \[9\times {{10}^{13}}J\]               

    B) \[9\times {{10}^{16}}J\]

    C) \[9\times {{10}^{17}}J\]               

    D)  \[9\times {{10}^{19}}J\]

    Correct Answer: A

    Solution :

    \[E=(\Delta m){{c}^{2}}=\left( \frac{0.1}{100}\times 1 \right){{(3\times {{10}^{8}})}^{2}}\]                        \[=9\times {{10}^{13}}J\]


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