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Physics
Physics
Problem
1 g sample of
152
Sm
^{152}\text{Sm}
152
Sm
has 27% purity and emits
α
\alpha
α
-particles with half-life
10
12
10^{12}
1
0
12
year. Calculate the number of
α
\alpha
α
-particles approximately emitted in 1 sec: a. 24 b. 48 c. 16 d. 32
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