Post Utme Christopher University 2017 Physics Question 4

Practice objective / multiple choice question 4 from the 2017 Post Utme Christopher University Physics examination.

Post Utme Christopher University 2017 Physics Objective / Multiple Choice
Question 4 POST_UTME_CHRISTOPHER_UNIVERSITY • 2017 • PHYSICS • objective

A radioactive sample has a half-life of 10 years. If the initial activity of the sample is 100 Bq, what is the activity of the sample after 20 years?

Answer Options

Correct Answer A. \( 25 , \text{Bq} \)
B. \( 50 , \text{Bq} \)
C. \( 75 , \text{Bq} \)
D. \( 100 , \text{Bq} \)
Correct Answer
A
Correct Option:
\( 25 , \text{Bq} \)

About This Question

This is Post Utme Christopher University 2017 Physics Question 4. It is one of the objective questions from the 2017 Post Utme Christopher University Physics examination.

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