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Консультация № 199218
26.09.2020, 02:55
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Здравствуйте, уважаемые эксперты! Прошу вас ответить на следующий вопрос:
В результате радиоактивного распада препарата висмута 210Bi массой m0 с постоянной распада λ1 = 1.6 • 10–6 с–1 образуется радиоактивный полоний 210Po. В результате распада полония 210Po с постоянной распада λ2 = 5.8 • 10–8 с–1 образуется стабильный изотоп свинца 206Pb. Найти зависимость массы m свинца 206Pb от времени t и построить график этой зависимости m(t) в интервале изменения t от 0 до 500 дней. Определить α- и β-активности препарата через время t.
Дано:
m0 = 2 мг, t = 60 дней
В результате радиоактивного распада препарата висмута 210Bi массой m0 с постоянной распада λ1 = 1.6 • 10–6 с–1 образуется радиоактивный полоний 210Po. В результате распада полония 210Po с постоянной распада λ2 = 5.8 • 10–8 с–1 образуется стабильный изотоп свинца 206Pb. Найти зависимость массы m свинца 206Pb от времени t и построить график этой зависимости m(t) в интервале изменения t от 0 до 500 дней. Определить α- и β-активности препарата через время t.
Дано:
m0 = 2 мг, t = 60 дней
Обсуждение
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