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

  • question_answer
    Half-life of \[10gm\] of radioactive substance is 10 days. The half-life of \[20gm\] is                                          [CPMT 1996]

    A)                 10 days

    B)                 20 days

    C)                 25 days

    D)                 Infinite

    Correct Answer: A

    Solution :

              Half-life period is independent of initial amount.


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