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.:dbd*nh .o :x*ukf+2ikh c zc measure)0ysjf pocg*.c.t)did in a piece of a wooden casket 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 160 counts per minute. The half-life of carbon-14, a beta emitter, is 5730 years. Thus we would estimate the age oi)to* ysdg.)pcc. 0jff 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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