Waec Model Questions Vol1 2018 Physics Question 47
Practice objective / multiple choice question 47 from the 2018 Waec Model Questions Vol1 Physics examination.
A radioactive substance has a half-life of 5 years. If you start with 160 grams of the substance, how much will remain after 15 years? Additionally, calculate the number of half-lives that have passed.
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About This Question
This is Waec Model Questions Vol1 2018 Physics Question 47. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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