Waec Model Questions Vol1 2022 Physics Question 7
Practice objective / multiple choice question 7 from the 2022 Waec Model Questions Vol1 Physics examination.
A radioactive substance has a half-life of 5 years. If you start with 80 grams of this substance, how much will remain after 15 years?
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About This Question
This is Waec Model Questions Vol1 2022 Physics Question 7. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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