Post Utme Esut 2019 Physics Question 2

Practice objective / multiple choice question 2 from the 2019 Post Utme Esut Physics examination.

Post Utme Esut 2019 Physics Objective / Multiple Choice
Question 2 POST_UTME_ESUT • 2019 • PHYSICS • objective

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

Answer Options

Correct Answer A. 12.5 Bq
B. 25 Bq
C. 50 Bq
D. 100 Bq
Correct Answer
A
Correct Option:
12.5 Bq

About This Question

This is Post Utme Esut 2019 Physics Question 2. It is one of the objective questions from the 2019 Post Utme Esut Physics examination.

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