JEE PHYSICS MCQ: NUCLEI

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The half life period of radioactive nucleus is 12.5 hours and its mass is 256 gm. The time after which amount of remaining substance is 1gm will be...... hours

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Correct option: A

100

Option A (100) is correct because after 100 hours, the remaining substance will be 1gm, calculated using the half-life formula.

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