an life of 7.2 days ay. Subsequently,

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The 2Bi nucleus (mean life of 7.2 days), turns into Po nucleus (mean life of 200
days) through a B decay. Subsequently, the Po nucleus experiences an a decay to
yield the 20Pb nucleus. If there was only 2Bi at the time being, what is the ratio
of the number of Po to the number of Bi when the number of a decays per unit
841
84-
time is maximum.
Transcribed Image Text:The 2Bi nucleus (mean life of 7.2 days), turns into Po nucleus (mean life of 200 days) through a B decay. Subsequently, the Po nucleus experiences an a decay to yield the 20Pb nucleus. If there was only 2Bi at the time being, what is the ratio of the number of Po to the number of Bi when the number of a decays per unit 841 84- time is maximum.
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