The radioactivity due to carbon-14 measured in a piece of a wood from an ancient site was found to produce 20 counts per minute from a given sample,whereas the same amount of carbon from a piece of living wood produced 160 counts per minute.The half-life of carbon-14,a beta emitter,is 5730 y.The age of the artifact is closest to
A) 5700 y.
B) 12,000 y.
C) 15,000 y.
D) 17,000 y.
E) 23,000 y.

Question

Quizplus · Accepted Answer

The Answer of The radioactivity due to carbon-14 measured in a piece of a wood from an ancient site was found to produce 20 counts per minute from a given sample,whereas the same amount of carbon from a piece of living wood produced 160 counts per minute.The half-life of carbon-14,a beta emitter,is 5730 y.The age of the artifact is closest to
A) 5700 y.
B) 12,000 y.
C) 15,000 y.
D) 17,000 y.
E) 23,000 y.

The Radioactivity Due to Carbon-14 Measured in a Piece of a Wood