MGIMS WARDHA MGIMS WARDHA Solved Paper-2011

  • question_answer
    Which one of the following is used as a moderator in nuclear reaction?

    A)  Uranium                            

    B)  Heavy water

    C)  Cadmium                           

    D)   Plutonium

    Correct Answer: B

    Solution :

                     Heavy water is deuterium oxide or\[{{D}_{2}}O\]or\[2{{H}_{2}}O\]. It is used in certain types of nuclear reactors, where it acts as a neutron moderator to slow down neutrons so that they can react with the uranium in the reactor. Because heavy water reactor can we natural uranium, it is of concern in efforts to prevent nuclear proliferation.


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