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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Atoms
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Radio isotopes of phosphorous P32 and P35 are mixed in ratio of 2:1 of atoms .The activity of samples 2 μCi.Find activity of sample after 30 days. t12 of P32=14days and t12 of P33 is 25 days.

(a)0.54Ci(b)3.2Ci(c)1.2Ci(d)4.8Ci

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