In an ancient sample of wood, the activity of 14C is 10 decays per second per gram in a sample whereas the activity of wood in fresh sample is 14.14 decays per second per gram. If the half life of 14C is 5700 years, then the age of the sample is about:
A. 2850 years
B. 4030 years
C. 5700 years
D. 8060 years
Answer:A
In an ancient sample of wood, the activity of 14C is 10 decays per second per gram in a sample whereas the activity of wood in fresh sample is 14.14 decays per second per gram. If the half life of 14C is 5700 years, then the age of the sample is about:
A. 2850 years B. 4030 years C. 5700 years D. 8060 years