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

  • question_answer
    If 2.0 g of a radioactive substance has half-life of 7 days. The half-life of 1 g sample is      [MP PET 2000]

    A)                 7 days  

    B)                 14 days

    C)                 28 days

    D)                 35 days

    Correct Answer: A

    Solution :

              Half-life is independent of initial amount.


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