Post Utme Ui 2019 Physics Question 15

Practice objective / multiple choice question 15 from the 2019 Post Utme Ui Physics examination.

Post Utme Ui 2019 Physics Objective / Multiple Choice
Question 15 POST_UTME_UI • 2019 • PHYSICS • objective

A radioactive sample decays with 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 Ui 2019 Physics Question 15. It is one of the objective questions from the 2019 Post Utme Ui Physics examination.

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