Tritium has a half-life of 12.5 y against beta decay. Determine fraction of a sample which will remain undecayed after 25 year. The half-life of Na-24 is 15.0 h. Find time to decay for 80 percent of a sample of this nuclide.
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- Tritium has a half-life of 12.5 y against beta decay. Determine fraction of a sample which will remain undecayed after 25 year.
- The half-life of Na-24 is 15.0 h. Find time to decay for 80 percent of a sample of this nuclide.
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