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Discussion :: GATE Geology and Geophysics

  1. If a radioactive isotope has a decay constant of 1.55 * 10-10 year-1, its half-life (in years) would be
    2. A.
    4.57 * 109
    B.
    4.47 * 109
    C.
    4.57 * 1010
    D.
    4.47 * 1010

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    Answer : Option B

    Explanation :

    -NA-

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