Post Utme Abu 2017 Physics Question 15

Practice objective / multiple choice question 15 from the 2017 Post Utme Abu Physics examination.

Post Utme Abu 2017 Physics Objective / Multiple Choice
Question 15 POST_UTME_ABU • 2017 • PHYSICS • objective

A radioactive sample has a half-life of 10 years. If the initial activity of the sample is 1000 Bq, what is the activity of the sample after 20 years?

Answer Options

A. 500 Bq
B. 250 Bq
C. 125 Bq
Correct Answer D. 62.5 Bq
Correct Answer
D
Correct Option:
62.5 Bq

About This Question

This is Post Utme Abu 2017 Physics Question 15. It is one of the objective questions from the 2017 Post Utme Abu Physics examination.

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