Post Utme Futa 2017 Physics Question 9

Practice objective / multiple choice question 9 from the 2017 Post Utme Futa Physics examination.

Post Utme Futa 2017 Physics Objective / Multiple Choice

Question 9 POST_UTME_FUTA • 2017 • PHYSICS • objective

A radioactive sample decays with a half-life of $T_{1/2}$. What is the activity of the sample 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 Futa 2017 Physics Question 9. It is one of the objective questions from the 2017 Post Utme Futa Physics examination.

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