Physics Unit30: Nuclear Physics and Radioactivity (id: deeced075)

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]
If the half-life of a material is 0dr 559asq7lwg-gkdv e8mk38 u 1qzzc45 - g0ctkek.2r,- tfn utyears, how much will be left after 100 years.euktt,f0 kt ncr--g2?

A. more than 1/2
B. less than 1/2
C. more than 1/4
D. less than 1/4


参考答案:  D


本题详细解析: 暂无

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