Post Utme Ksu 2019 Physics Question 31

Practice objective / multiple choice question 31 from the 2019 Post Utme Ksu Physics examination.

Post Utme Ksu 2019 Physics Objective / Multiple Choice
Question 31 POST_UTME_KSU • 2019 • PHYSICS • objective

A radioactive sample of Uranium-238 has a half-life of 4.5 billion years. If the initial activity of the sample is 100 Bq, what is the activity after 9 billion 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 Ksu 2019 Physics Question 31. It is one of the objective questions from the 2019 Post Utme Ksu Physics examination.

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