RAJASTHAN ­ PET Rajasthan PET Solved Paper-2009

  • question_answer
    If the decay constant of a radioactive substance is \[\lambda \], then its half-life is

    A)  \[\frac{1}{\lambda }{{\log }_{e}}2\]

    B)  \[\frac{1}{\lambda }\]

    C)  \[\lambda {{\log }_{e}}2\]

    D)  \[\frac{\lambda }{{{\log }_{e}}2}\]

    Correct Answer: B

    Solution :

     Relation between half life and decay constant is \[T=\frac{1}{\lambda }{{\log }_{e}}2\]


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