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  1. U238 will undergo fission by

    2. A.

     High energy (fast) neutrons alone
    B.

     Low energy (slow) neutrons alone
    C.

     Either fast or slow neutrons
    D.

     Medium energy neutrons

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    Answer : Option A

    Explanation :

    U238 will undergo fission by High energy (fast) neutrons alone

    The much more abundant uranium-238 does not undergo fission and therefore cannot be used as a fuel for nuclear reactors. However, if uranium-238 is bombarded with neutrons it absorbs a neutron and is transformed into uranium-239.

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