One of the hazards of nuclear explosion is the generation of ""^90Sran – InterviewSolution

1.	One of the hazards of nuclear explosion is the generation of ""^90Srand its subsequent incorporation in bones. The nuclide has a half-life of 28.1 years. Suppose one microgram was absorbed by a newborn child, how much ""^90Srwill remain in his bones after 20 years?
Answer» SOLUTION :0.61 `MUG `

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