Post Utme Rsu 2022 Chemistry Question 28

Practice objective / multiple choice question 28 from the 2022 Post Utme Rsu Chemistry examination.

Post Utme Rsu 2022 Chemistry Objective / Multiple Choice
Question 28 POST_UTME_RSU • 2022 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 10 years. If the initial activity is 1000 Bq, calculate the activity after 20 years.

Answer Options

Correct Answer A. 31.25 Bq
B. 62.5 Bq
C. 125 Bq
D. 250 Bq
Correct Answer
A
Correct Option:
31.25 Bq

About This Question

This is Post Utme Rsu 2022 Chemistry Question 28. It is one of the objective questions from the 2022 Post Utme Rsu Chemistry examination.

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