Post Utme Christopher University 2023 Physics Question 4
Practice objective / multiple choice question 4 from the 2023 Post Utme Christopher University Physics examination.
A radioactive sample has a half-life of $T_{1/2} = 10 \, \text{min}$. If the initial activity of the sample is $A_0 = 100 \, \text{Bq}$, what is the activity of the sample after $t = 20 \, \text{min}$?
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This is Post Utme Christopher University 2023 Physics Question 4. It is one of the objective questions from the 2023 Post Utme Christopher University Physics examination.
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