Post Utme Rsu 2020 Physics Question 25

Practice objective / multiple choice question 25 from the 2020 Post Utme Rsu Physics examination.

Post Utme Rsu 2020 Physics Objective / Multiple Choice
Question 25 POST_UTME_RSU • 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

A. 50 Bq
B. 25 Bq
C. 12.5 Bq
Correct Answer D. 6.25 Bq
Correct Answer
D
Correct Option:
6.25 Bq

About This Question

This is Post Utme Rsu 2020 Physics Question 25. It is one of the objective questions from the 2020 Post Utme Rsu Physics examination.

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