Post Utme Futa 2020 Physics Question 21

Practice objective / multiple choice question 21 from the 2020 Post Utme Futa Physics examination.

Post Utme Futa 2020 Physics Objective / Multiple Choice
Question 21 POST_UTME_FUTA • 2020 • 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 Futa 2020 Physics Question 21. It is one of the objective questions from the 2020 Post Utme Futa Physics examination.

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