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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Artificial Transmutation

  • question_answer
    A wood piece is 11460 years old. What is the fraction of \[^{14}C\] activity left in the piece? (Half-life period of \[^{14}C\] is 5730 years)         [MP PMT 2000]

    A)                 0.12       

    B)                 0.25

    C)                 0.50       

    D)                 0.75

    Correct Answer: B

    Solution :

           11460 years = 2 half lives                                 Activity left = 25% = 0.25.


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