RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    Choose the right relation.

    A)  \[{{t}_{1/2}}=0.693{{t}_{av}}\]

    B)  \[{{t}_{av}}=0.693{{t}_{1/2}}\]

    C)  \[{{t}_{1/2}}=0.414{{t}_{av}}\] 

    D)  None of these

    Correct Answer: A

    Solution :

     \[{{t}_{1/2}}=\frac{0.693}{\lambda }\] and \[{{t}_{av}}=\frac{1}{\lambda }\] \[{{t}_{1/2}}=0.693\text{ }{{t}_{av}}\]


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