The half-life period (t_{1 \/ 2}) for { }^{241} {\Am} in years, (given that it emits 1.2 \times 10^{11} \alpha-particles per gram per second) is

CGPET 2012 Solved Paper

Section: Chemistry

Question : 98 of 150

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The half-life period (t1∕2) for ‌241‌Am in years, (given that it emits 1.2×1011α-particles per gram per second) is

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