Post Utme Coal City University 2024 Physics Question 39

Practice objective / multiple choice question 39 from the 2024 Post Utme Coal City University Physics examination.

Post Utme Coal City University 2024 Physics Objective / Multiple Choice
Question 39 POST_UTME_COAL_CITY_UNIVERSITY • 2024 • 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
Correct Answer B. 25 Bq
C. 12.5 Bq
D. 6.25 Bq
Correct Answer
B
Correct Option:
25 Bq

About This Question

This is Post Utme Coal City University 2024 Physics Question 39. It is one of the objective questions from the 2024 Post Utme Coal City University Physics examination.

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