Gce Model Questions Vol1 2017 Physics Question 44
Practice objective / multiple choice question 44 from the 2017 Gce Model Questions Vol1 Physics examination.
A sample contains \(5.0\times10^{12}\) atoms of a radioactive isotope that decays by \(\alpha\)-emission. Its half‑life is \(2.0\) days. After some time the measured activity is \(1.25\times10^{6}\ \text{s}^{-1}\). (a) Calculate the elapsed time. (b) If each \(\alpha\) particle carries \(5.0\ \text{MeV}\) of energy, find the total energy released up to that moment in joules.
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About This Question
This is Gce Model Questions Vol1 2017 Physics Question 44. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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