Questions
A radioactive sample is α-emitter with half life 138.6 days is observed by a student to have 2000 disintegration/sec. The number of radioactive nuclei for given activity are
detailed solution
Correct option is A
Activity of substance that has 2000 disintegration/secThe number of radioactive nuclei having activity ATalk to our academic expert!
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The half life period of a radioactive element X is same as the mean life time of another radioactive element Y. Initially both of them have the same number of atoms. Then
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