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BVP Medical BVP Medical Solved Paper-2001

  • question_answer
    The half life of a radioactive isotope is 2.5 hour. If the initial mass of the isotope was 16 g, the mass of it remain undecayed after 10 hours will be:

    A)  32 g                                      

    B)  4 g

    C)  16 g                                      

    D)  1 g

    Correct Answer: D

    Solution :

                    Number of half-lives \[=n=\frac{10}{2.5}=4\] Amount left \[=\frac{Initial\,amount}{{{2}^{n}}}\]                 \[\frac{16}{24}\frac{16}{16}\]


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