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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 31 - Nuclei > If decay constant of a radioactive sample is 0.05 per year, then find the time (in year) for which sample will decay by 75%.

If decay constant of a radioactive sample is 0.05 per year, then find the time (in year) for which sample will decay by 75%.

If decay constant of a radioactive sample is 0.05 per year then find the time (in year) for which sample will decay by 75%.