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]
Cloud chambers have been replac+z, 5d4n/mpf.w+l0yb 3s zbgl5gmw(evjuq,z ed by bubble cha icrqoqarr9-xb:j1en/ r .c58 mbers because
A. the radioactive clouds were too dangerous to work with.
B. the density of fluids is greater than the density of vapors.
C. bubble chambers tend to be larger and more expensive.
D. gamma rays are visible in bubble chambers, but not in cloud chambers.
参考答案: B
本题详细解析:
暂无
| 
