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In a sample of radioactive material , what fraction of the initial number of active nucleiwill remain undisintegrated after half of the half life of the sample ? |
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Answer» `1/4` `N/N_0=(1/2)^(t//T_(1//2))` Here, `t=(T_(1//2))/2 , therefore N/N_0=(1/2)^(1//2) = 1/sqrt2` |
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