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  3. Haryana PMT

Haryana PMT Haryana PMT Solved Paper-2001

  • question_answer
    The half-life of 4 isotopes are:
    (I) \[6.7year\] 
    (II) \[8\times {{10}^{3}}year\]
    (III) \[5760\text{ }year\]
    (IV) \[2.35\times {{10}^{5}}year\]
    The most stable isotope is:

    A)  \[IV\]                                  

    B)  \[III\]   

    C)  \[II\]                                    

    D)  \[I\]

    Correct Answer: A

    Solution :

                    Greater the half-life period/smaller is the, decay constant are more stable is the isotope.


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