J & K CET Engineering J and K - CET Engineering Solved Paper-2005

  • question_answer
    If 8.0 g of a radioactive substance has a half-life of 10 h, the half-life of 2.0 g of the same substance is

    A)  2.6 h         

    B)  5h

    C)  10 h          

    D)  40 h

    Correct Answer: C

    Solution :

     The half-life period of a radioactive substance is the time at which its half amount disintegrates. The half-life does not depend upon the initial amount of the radioactive substance.


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