Post Utme Uniben 2018 Physics Question 4

Practice objective / multiple choice question 4 from the 2018 Post Utme Uniben Physics examination.

Post Utme Uniben 2018 Physics Objective / Multiple Choice

Question 4 POST_UTME_UNIBEN • 2018 • PHYSICS • objective

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

Correct Answer A. A_0 e^{-\lambda t}

B. A_0 e^{\lambda t}

C. A_0 + \lambda t

D. A_0 - \lambda t

Correct Answer

Correct Option:

A_0 e^{-\lambda t}

This is Post Utme Uniben 2018 Physics Question 4. It is one of the objective questions from the 2018 Post Utme Uniben Physics examination.

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