Asked by Ash
A radioactive isotope of Bismuth undergoes Beta Decay with a half-life of 22 days. How long (in days) will it take the Activity (A) of the sample to decrease to one-ninth of its original value? Assume that the original activity is A0.
Answers
Answered by
Steve
just find t where
(1/2)^(t/22) = 1/9
The value of A0 does not matter, as it will be on both sides of the equation.
(t/22) log(1/2) = log(1/9)
Now just churn the numbers.
(1/2)^(t/22) = 1/9
The value of A0 does not matter, as it will be on both sides of the equation.
(t/22) log(1/2) = log(1/9)
Now just churn the numbers.
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