[单选题]
A measurement of an xe1b9 d.naiv) u y(lvr1s0qh0d7gdb ;6 f,lfgelectron's speed is $2.0 \times 10^6 \; m/s$ and has an uncertainty of 10%. What is the minimum uncertainty in position?
A. $0.29 \; nm$
B. $0.58 \; nm$
C. $0.87 \; nm$
D. $1.2 \; nm$
Post time 2024-1-22 00:52:27