Waec Model Questions Vol1 2017 Physics Question 27
Practice objective / multiple choice question 27 from the 2017 Waec Model Questions Vol1 Physics examination.
A radioactive substance has a half-life of 10 years. If you start with 80 grams of the substance, how much will remain after 30 years? Additionally, calculate the total number of half-lives that have passed in this time.
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About This Question
This is Waec Model Questions Vol1 2017 Physics Question 27. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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