Post Utme Bells University 2018 Physics Question 32

Practice objective / multiple choice question 32 from the 2018 Post Utme Bells University Physics examination.

Post Utme Bells University 2018 Physics Objective / Multiple Choice
Question 32 POST_UTME_BELLS_UNIVERSITY • 2018 • PHYSICS • objective

A radioactive sample has a half-life of 10 years. If the initial activity of the sample is 100 Bq, what is the activity of the sample after 20 years?

Answer Options

A. 10 Bq
B. 20 Bq
Correct Answer C. 40 Bq
D. 50 Bq
Correct Answer
C
Correct Option:
40 Bq

About This Question

This is Post Utme Bells University 2018 Physics Question 32. It is one of the objective questions from the 2018 Post Utme Bells University Physics examination.

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