Post Utme Crawford University 2019 Physics Question 24

Practice objective / multiple choice question 24 from the 2019 Post Utme Crawford University Physics examination.

Post Utme Crawford University 2019 Physics Objective / Multiple Choice
Question 24 POST_UTME_CRAWFORD_UNIVERSITY • 2019 • PHYSICS • objective

A radioactive sample decays with a half-life of $t_{1/2}$. If the initial activity is $A_0$, what is the activity $A$ after a time $t$?

Answer Options

Correct Answer A. \frac{A_0}{2^{t/t_{1/2}}}
B. \frac{A_0}{1 + \frac{t}{t_{1/2}}}
C. \frac{A_0}{1 - \frac{t}{t_{1/2}}}
D. \frac{A_0}{1 + \frac{t_{1/2}}{t}}
Correct Answer
A
Correct Option:
\frac{A_0}{2^{t/t_{1/2}}}

About This Question

This is Post Utme Crawford University 2019 Physics Question 24. It is one of the objective questions from the 2019 Post Utme Crawford University Physics examination.

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