One microgram of phosphorus-32 was injected into a live syetm for biological studies. The half life `""_(15)P""^(32)` is 14.3 days, calculate the time it will take the radioactivity to fall to 10% of the initial valueA. 47.52 daysB. 57.52 daysC. 100 daysD. 4.7 days

One microgram of phosphorus-32 was injected into a live syetm for biol

1.	One microgram of phosphorus-32 was injected into a live syetm for biological studies. The half life `""_(15)P""^(32)` is 14.3 days, calculate the time it will take the radioactivity to fall to 10% of the initial valueA. 47.52 daysB. 57.52 daysC. 100 daysD. 4.7 days
Answer» Correct Answer - a `lamda=2.303/tlog.N""_(0)/N`

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One microgram of phosphorus-32 was injected into a live syetm for biological studies. The half life `""_(15)P""^(32)` is 14.3 days, calculate the time it will take the radioactivity to fall to 10% of the initial valueA. 47.52 daysB. 57.52 daysC. 100 daysD. 4.7 days

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