本题目来源于试卷: Physics Unit28: Quantum Mechanics of Atoms，类别为 国际高中通用物理
[单选题]
Suppose that the speed of an electron 8zgy g,b) dz6jtraveling 2000 m/s is known to tp;7 nh/z hh:zsc18pccu82k j an accuracy jhshnh1t zp2p;k8c/c: c 78zu of 1 part in $10^5$ (i.e., within 0.001%). What is the greatest possible accuracy within which we can determine the position of this electron?
A. $2.9 \; mm$
B. $5.8 \; mm$
C. $8.7 \; mm$
D. $1.2 \; cm$
参考答案: B
本题详细解析:
暂无
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