A human body excretes certain material through sweating by law similar to radioactivity if technitium is injected in some form in human body the body exretes half the amount in 24 hours A patient is given an injection containing .^(98)Tc The isotope is radioactive with half life of 8 hours The activity just after the injection is 32muCi How much time will elapse before the activity of patient falls to 16 muCi?

A human body excretes certain material through sweating by law similar

1.	A human body excretes certain material through sweating by law similar to radioactivity if technitium is injected in some form in human body the body exretes half the amount in 24 hours A patient is given an injection containing .^(98)Tc The isotope is radioactive with half life of 8 hours The activity just after the injection is 32muCi How much time will elapse before the activity of patient falls to 16 muCi?
Answer» 3.8 hrs 4.8 hrs 6 hrs 8 hrs Answer :C