The half life of a radiative carbon is 5700years if the, Ask an Expert

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a, the half life of a radiative carbon is 5700years, if the radioactive material left in the storage has activity of 5ci, what will be the activity after 3000years?.

b, what is the half life of radioactive iodine if from initial activity of 5600cpm,after 20 days were left 990.3cpm.

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Category:- Biology
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