RAJASTHAN PMT Rajasthan - PMT Solved Paper-2007

  • question_answer
    Half-life of a radioactive element is

    A) \[0.693\]                             

    B)        \[\frac{1}{0.693}\]

    C)        \[\frac{0.693}{k}\]                          

    D)        \[\frac{k}{0.693}\]

    Correct Answer: C

    Solution :

    For first order reactions                 \[{{t}_{1/2}}=\frac{0.693}{k}\] where \[{{t}_{1/2}}=\]half-life \[k=\]decay constant


You need to login to perform this action.
You will be redirected in 3 sec spinner