In a radioactive sample, the fraction of initial number of redioactive nuclie, which remains undecayed after n mean lives is

Question

In a radioactive sample, the fraction of initial number of redioactive nuclie, which remains undecayed after n mean lives is

In a radioactive sample, the fraction of initial number of redioactive nuclie, which remains undecayed after n mean lives is
A. `(1)/(e^(n))`
B. `e^(n)`
C. `1-(1)/(e^(n))`
D. `((1)/(e-1))^(n)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`(N)/(N_(0))=e^(-lamda((n)/(lamda)))=(1)/(e^(n))" "(therefore"mean life", t=(1)/(lamda))`

4 views Answered 2023-02-05 15:29