FINAL EXAM REVIEW XD REVIEW 103 (1). CentralBucks School oxGrades for Olena D ×C

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FINAL EXAM REVIEW XD REVIEW 103 (1). CentralBucks School oxGrades for Olena D ×Central Bucks School D × Grades for Olena Dob .> Cl Secure! https:// stry.com/myct/jitemView?offset-next&assignmentProblemiD; 87 0 12- Nuclear hsty Problem 11.54 Problem 11.54 Part A it mean when we say that strontium-90, a waste product of nuclear power plants, has a halif life of 28.8 years? O All given quantity of strontium-90 will have decayed after 28.8 years. All given quantity of strontum-90 will have decayed after 57.6 years. O Half of a given quantity of strontium-90 will have decayed after 28.8 years. Submit My Answers Give Up MacBook Pro

Explanation / Answer

Ans- Option C is correct. Half life of a radioactive substance means half of the atoms of given element have been disintegrated. For example- If we have 10 atoms of a radioactive element and its half life is 10 days . Then after 10 days half of the atoms i.e 5 will be disintegrated. So in the case of strontium-90.

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