Post Utme Elizade University 2019 Physics Question 4

Practice objective / multiple choice question 4 from the 2019 Post Utme Elizade University Physics examination.

Post Utme Elizade University 2019 Physics Objective / Multiple Choice
Question 4 POST_UTME_ELIZADE_UNIVERSITY • 2019 • PHYSICS • objective

A radioactive sample has an initial activity of $A_0 = 100, \text{Bq}$. If the sample decays with a half-life of $t_{1/2} = 10, \text{min}$, what is the activity of the sample after $t = 30, \text{min}$?

Answer Options

A. $20, \text{Bq}$
B. $30, \text{Bq}$
Correct Answer C. $40, \text{Bq}$
D. $50, \text{Bq}
Correct Answer
C
Correct Option:
$40, \text{Bq}$

About This Question

This is Post Utme Elizade University 2019 Physics Question 4. It is one of the objective questions from the 2019 Post Utme Elizade University Physics examination.

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