本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 国际高中通用物理
[单选题]
The radioactivity due to carbon-14 measured in a piece of a wooden +g :5bdnag)xqs3 i e/k1w l1qm rvb/r:05 mystcasket from an ancient burial 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 v0r5ty:sb/mr 160 counts per minute. The half-life of carbon-14, a beta emitter, is 5730 years. Thus we would estimate the age of the artifact to be about
A. 5,700 years.
B. 11,500 years.
C. 14,800 years.
D. 17,200 years.
E. 23,000 years.
参考答案: D
本题详细解析:
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