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

  • question_answer
    The average life period of a radioactive element is the reciprocal of its                                   [MP PET 1995]

    A)                 Half-life period

    B)                 Disintegration constant

    C)                 Number of atoms present at any time

    D)                 Number of neutrons

    Correct Answer: B

    Solution :

              Average life \[(\tau )=\frac{1}{\lambda }\].


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