EAMCET Medical EAMCET Medical Solved Paper-1997

  • question_answer
    When a slow neutron is captured by U235 nucleus, each fission releases an energy of 200 MeV. The number of fissions required to occur (per second) to produce a power of 1 MW is:

    A) \[6.2\times {{10}^{16}}/s\]                         

    B)  \[6.2\times {{10}^{15}}/s\]

    C) \[1.56\times {{10}^{16}}/s\]                       

    D)  \[3.12\times {{10}^{16}}/s\]

    Correct Answer: D

    Solution :

                     From relation \[P=\frac{nE}{t}\left( \begin{align}   & Here: \\  & n=no.\,of\,released \\  & E=energy\,released\, \\ \end{align} \right)\] \[n=\frac{Pt}{E}=\frac{{{10}^{6}}}{200\times {{10}^{6}}\times 1.6\times {{10}^{-19}}}\] \[n=3.125\times {{10}^{6}}\sec \]


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