Post Utme Noun 2022 Chemistry Question 7

Practice objective / multiple choice question 7 from the 2022 Post Utme Noun Chemistry examination.

Post Utme Noun 2022 Chemistry Objective / Multiple Choice
Question 7 POST_UTME_NOUN • 2022 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 years. If a sample of this subs\tance has an initial activity of 100 Bq, what is its activity after 10 years?

Answer Options

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

About This Question

This is Post Utme Noun 2022 Chemistry Question 7. It is one of the objective questions from the 2022 Post Utme Noun Chemistry examination.

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