Post Utme Delsu 2017 Physics Question 22

Practice objective / multiple choice question 22 from the 2017 Post Utme Delsu Physics examination.

Post Utme Delsu 2017 Physics Objective / Multiple Choice
Question 22 POST_UTME_DELSU • 2017 • 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. 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 Delsu 2017 Physics Question 22. It is one of the objective questions from the 2017 Post Utme Delsu Physics examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support