本题目来源于试卷: Physics Unit28: Quantum Mechanics of Atoms,类别为 Generic Physics
[单选题]
Suppose that the speed of* y; ,gmbsb 9 4bsz;3qfcfqqn2 an electron .*hxf 1arjpn5 traveling 2000 m/s is known to an accuracy of 1 part*f.anr 5jp1h x 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
|