Post Utme Unn 2018 Physics Question 23

Practice objective / multiple choice question 23 from the 2018 Post Utme Unn Physics examination.

Post Utme Unn 2018 Physics Objective / Multiple Choice
Question 23 POST_UTME_UNN • 2018 • PHYSICS • objective

A radioactive sample decays at a rate of 0.05% per hour. If the initial activity is 1000 Bq, calculate the activity after 5 hours.

Answer Options

A. 900 Bq
B. 950 Bq
C. 975 Bq
Correct Answer D. 995 Bq
Correct Answer
D
Correct Option:
995 Bq

About This Question

This is Post Utme Unn 2018 Physics Question 23. It is one of the objective questions from the 2018 Post Utme Unn 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