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JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    In a nuclear reactor, the fast moving neutrons are slowed down by passing them through:            

    A)              kerosene                               

    B)              heavy water                         

    C)              vacuum                                  

    D)              oil

    Correct Answer: B

    Solution :

    As heavy water is rich in protons. When fast moving neutrons have head-on collision with the protons of heavy water, they lose their energy and get slow down.


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