本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 国际高中通用物理
[单选题]
The exchange particles for the weak force are very mass;7py w*8f5 o0rrs p7qe1;bajjg,cj y bive (about iwl opk.o a28(100 times as massive as a proton). This would ll( po.8ioa k2wead one to expect that the weak force would
A. act over a very long range.
B. act over a very short range.
C. only act on very massive particles.
D. be transmitted at the speed of light.
参考答案: B
本题详细解析:
暂无
| 
