Post Utme Afe Babalola University 2025 Physics Question 4

Practice objective / multiple choice question 4 from the 2025 Post Utme Afe Babalola University Physics examination.

Post Utme Afe Babalola University 2025 Physics Objective / Multiple Choice

Question 4 POST_UTME_AFE_BABALOLA_UNIVERSITY • 2025 • PHYSICS • objective

A radioactive sample has a half-life of $T_{1/2}$. If the initial activity of the sample is $A_0$, what is the activity of the sample 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

Correct Option:

A_0 e^{-t/T_{1/2}}

About This Question

This is Post Utme Afe Babalola University 2025 Physics Question 4. It is one of the objective questions from the 2025 Post Utme Afe Babalola University Physics examination.

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