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Physics
The C14 to C12 ratio in a certain piece of wood is 25% of that in atmosphere. The half life period of C is 5,580 years. The age of wood piece is
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Q. The $C^{14} \,to\, C^{12}$ ratio in a certain piece of wood is 25% of that in atmosphere. The half life period of C is 5,580 years. The age of wood piece is
Atoms
A
5,580 years
9%
B
2790 years
9%
C
1395 years
16%
D
11,1.60 years
66%
Solution:
$\frac{dN}{dt} \propto \lambda N$