JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Rate of decay and Half-life

  • question_answer
    A substance of which one gram is taken, after half-life time what fraction of it is left ?    [MADT Bihar 1983]

    A)                 \[\frac{1}{4}\]   

    B)                 \[\frac{1}{8}\]

    C)                 \[\frac{1}{2}\]   

    D)                 \[\frac{1}{32}\]

    Correct Answer: C

    Solution :

              After half-life time the half of the substance will be decayed.


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