Post Utme Futo 2020 Physics Question 14

Practice objective / multiple choice question 14 from the 2020 Post Utme Futo Physics examination.

Post Utme Futo 2020 Physics Objective / Multiple Choice
Question 14 POST_UTME_FUTO • 2020 • PHYSICS • objective

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

Answer Options

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

About This Question

This is Post Utme Futo 2020 Physics Question 14. It is one of the objective questions from the 2020 Post Utme Futo Physics examination.

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