Post Utme Unn 2022 Physics Question 10

Practice objective / multiple choice question 10 from the 2022 Post Utme Unn Physics examination.

Post Utme Unn 2022 Physics Objective / Multiple Choice
Question 10 POST_UTME_UNN • 2022 • PHYSICS • objective

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

Answer Options

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

About This Question

This is Post Utme Unn 2022 Physics Question 10. It is one of the objective questions from the 2022 Post Utme Unn Physics examination.

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