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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Causes of radioactivity and Group displacement law

  • question_answer
    If the amount of radioactive substance is increased three times, the number of atoms disintegrated per unit time would                [MP PMT 1994]

    A)                 Be double          

    B)                 Be triple

    C)                 Remain one third            

    D)                 Not change

    Correct Answer: B

    Solution :

              \[r=\lambda .N\]


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