JEE PHYSICS MCQ: NUCLEI

1 Medium

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Understanding +4 | -1

In a mean life of a radioactive sample

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Correct option: B

About

2/3

of the substance disintegrates

Option B (About

2/3

of the substance disintegrates) is correct because after one mean life, approximately 63.2% of the radioactive substance has decayed, which is about 2/3.

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