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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 5

  • question_answer
    If one starts with 1 Curie\[(Ci)\] of radioactive substance \[({{t}_{1/2}}=15hr),\] the activity left after a period of two weeks will be about \[0.02x\,\mu Ci\]. Find the value of x.

    Answer:

    9


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