Waec Model Questions Vol1 2018 Physics Question 24
Practice objective / multiple choice question 24 from the 2018 Waec Model Questions Vol1 Physics examination.
A radioactive substance has a half-life of 5 years. If you start with 80 grams of the substance, how much will remain after 15 years?
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About This Question
This is Waec Model Questions Vol1 2018 Physics Question 24. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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