JEE Main & Advanced Physics Nuclear Physics And Radioactivity JEE PYQ-Nuclear Physics

  • question_answer
    A sample originally contained  radioactive atoms, which emit a-particles. The ratio of particles emitted in the third year to that emitted during the second year is 0.3. How many particles were emitted in the first year?                     [JEE ONLINE 07-05-2012]

    A)

    B)

    C)

    D)

    Correct Answer: B


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