q tritium has a half life period of 125 years
Q. Tritium has a half life period of 12.5 years. What fraction of the sample will be left over after 25 years?
HLP = 12.5 years
Number of HLPs in 25 years = 25 / 12.5 =2
Fraction of the sample left over after 25 years = (½) 2 = ¼
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