Post Utme Noun 2022 Physics Question 32

Practice objective / multiple choice question 32 from the 2022 Post Utme Noun Physics examination.

Post Utme Noun 2022 Physics Objective / Multiple Choice
Question 32 POST_UTME_NOUN • 2022 • 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
Correct Answer C. 12.5 Bq
D. 6.25 Bq
Correct Answer
C
Correct Option:
12.5 Bq

About This Question

This is Post Utme Noun 2022 Physics Question 32. It is one of the objective questions from the 2022 Post Utme Noun Physics examination.

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