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Consider a radioactive material of half-...

Consider a radioactive material of half-life `1.0` minute. If one of the nuclei decays now, the next one will decay

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The next nucleus can decay any time.
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Knowledge Check

  • A radioactive nulei has half-life of 1.0 minute. If one of the nuclie decay now, the next nuclei will decay after:

    A
    `1.0` minute
    B
    `1//2` minute
    C
    any time
    D
    `1//N` minute (`N` is no. of nuclei present at that moment)

  • A radioactive element has half life of 30 seconds. If one of the nuclei decays now, the next one will decay

    A
    any time
    B
    after 30 s
    C
    after 60 s
    D
    after 30 h

  • For a radioactive material, half-life is 10 minutes. If initially there are 600 number of nuclei, the time taken (in minutes) for the disintegration of 450 nuclei is.

    A
    15
    B
    20
    C
    30
    D
    10

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    Four thousand active nuclei of a radioactive material are present at t= 0. After 60 minutes 500 active nuclei are left in the sample. The decay constant of the sample is

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