Explain the half-life of nuclide a

Reference no: EM13242527

A person is exposed for three days to identical amounts of two different nuclides that emit positrons of roughly equal energy. The half-life of nuclide A is 18.5 days and the half-life of nuclide B is 255 days.

Which of the two nuclides posses the greater health risk?

Reference no: EM13242527

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