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Physics Unit28: Quantum Mechanics of Atoms (id: 3a5b1fbaa)

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Post time 2024-1-22 00:52:27 | Show all posts |Read mode
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


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