The rate at which a certain element decay is proportional to the number of such element that are present in the given sample. Half of the original number of elements have undergone disintegration in a period of 1000 years. (a) what percentage of the number of radioactive element will remain after 3000 years?(b) In how many years will only 10% of the original number remain?
The rate at which a certain element decay is proportional to the number of such element that are present in the given sample. Half of the original number of elements have undergone disintegration in a period of 1000 years. (a) what percentage of the number of radioactive element will remain after 3000 years?(b) In how many years will only 10% of the original number remain?
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.79E
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Transcribed Image Text:The rate at which a certain element decay is proportional to the number of such element
that are present in the given sample. Half of the original number of elements have
undergone disintegration in a period of 1000 years. (a) what percentage of the number
of radioactive element will remain after 3000 years?(b) In how many years will only
10% of the original number remain?
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