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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A radioactive sample has 6.0 * 10^18 active nuclei at a certain instant. How many of these nuclei will still be in the same active after two half -lives?

A radioactive sample has 6.0 * 10^18 active nuclei at a certain instant. How many of these nuclei will still be in the same active after two half -lives?

A radioactive sample has 6.0 * 10^18 active nuclei at a certain instant. How many of these nuclei will still be in the same active after two half -lives?