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A chain reaction dies out sometimes, why...

A chain reaction dies out sometimes, why?

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A chain reaction may die out due to any of the following reasons:
(i) Size of fissionable material may be less than the critical size.
(ii) Mass of fissionable material may be less than the critical mass.
(iii) Neutron absorbing material (arrestor) might absorb neutrons at a faster rate then the rate at which they are being produced .
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Knowledge Check

  • A chain reaction is continuous due to

    A
    Large mass defect
    B
    Large energy
    C
    Production of more neutrons in fission
    D
    None of these

  • Polymerase chain reaction is most useful in

    A
    DNA synthesis
    B
    DNA amplication
    C
    Protein synthesis
    D
    Aminoacid synthesis

  • Polymerase chain reaction is most useful in

    A
    DNA synthesis
    B
    DNA amplification
    C
    Protein synthesis
    D
    Amino acid synthesis

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