Post Utme Summit University 2019 Physics Question 19
Practice objective / multiple choice question 19 from the 2019 Post Utme Summit University Physics examination.
A radioactive subs\tance has a half-life of 5 years. If 100 grams of the subs\tance is initially present, how much will be left after 20 years?
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About This Question
This is Post Utme Summit University 2019 Physics Question 19. It is one of the objective questions from the 2019 Post Utme Summit University Physics examination.
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