SSC General Science & Technology Sample Paper NCERT Sample Paper-4

  • question_answer
    Reflector in nuclear plants is used to

    A)  Return the neutrons back into the core

    B)  Shield the radioactivity completely

    C)  Check pollution

    D)  Conserve energy

    Correct Answer: A

    Solution :

    [a] A reflector is a region of unfueled material surrounding the core. Its function is to scatter neutrons that leak from the core, thereby returning some of them back into the core. This design feature allows for a smaller core size. In addition, reflectors "smooth out" the power density by utilizing neutrons that would otherwise leak out through fissioning within fuel material located near the core's outer region.

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