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JEE PHYSICS MCQ: NUCLEI

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Application +4 | -1
During mean life of a radioactive element, the fraction that disintegrates is
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Correct option: C
e−1e\frac{{e - 1}}{e}
Option C (e−1e\frac{{e - 1}}{e}) is correct because it represents the fraction of radioactive material that has decayed after one mean lifetime.

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