Question

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

• A. 5,580 years
• B. 2790 years
• C. 1395 years
• D. 11,1.60 years

Answer 1

Answer: (D)

$\frac{dN}{dt}\propto \lambda N$