Post Utme Rsu 2018 Physics Question 19

Practice objective / multiple choice question 19 from the 2018 Post Utme Rsu Physics examination.

Post Utme Rsu 2018 Physics Objective / Multiple Choice
Question 19 POST_UTME_RSU • 2018 • PHYSICS • objective

A radioactive subs\tance has a half-life of 10 years. If the initial activity is 100 Bq, calculate the activity after 20 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 Rsu 2018 Physics Question 19. It is one of the objective questions from the 2018 Post Utme Rsu Physics examination.

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