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JEE PHYSICS MCQ: NUCLEI
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Medium
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Analyzing
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The half-life period of radioactive element is same as the mean life time of another radioactive element Initially they have the same number of atoms. Then,
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Correct option: B
y will decay faster than x
Option B is correct because the decay rate is proportional to the decay constant, and since the half-life of X is equal to the mean life of Y, Y has a larger decay constant and thus decays faster.
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