A radioactive sample intended for irradiation of a
Chapter , Problem 43(choose chapter or problem)
A radioactive sample intended for irradiation of a hospital patient is prepared at a nearby laboratory. The sample has a halflife of 83.61 h.What should its initial activity be if its activity is to be 7.4 " 108 Bq when it is used to irradiate the patient 24 h later?
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