Waec Model Questions Vol1 2018 Physics Question 27
Practice objective / multiple choice question 27 from the 2018 Waec Model Questions Vol1 Physics examination.
A radioactive substance has a half-life of 5 years. If the initial mass of the substance is 80 grams, how much of the substance will remain after 15 years?
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About This Question
This is Waec Model Questions Vol1 2018 Physics Question 27. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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