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You Want to Make Simultaneous Measurements of the Position and Velocity

Question 27

Multiple Choice

You want to make simultaneous measurements of the position and velocity of an electron that is moving in the positive-x direction. An alternate statement of the uncertainty principle involves relationship between position Δ\Delta x) and momentum Δ\Delta p) uncertainties in the form  You want to make simultaneous measurements of the position and velocity of an electron that is moving in the positive-x direction. An alternate statement of the uncertainty principle involves relationship between position  \Delta x)  and momentum  \Delta p)  uncertainties in the form   . If the velocity is measured to an accuracy of 10<sup>-7</sup> m/s, the limit of accuracy with which you can locate the electron is approximately A)  6.6 * 10<sup>-41</sup> m. B)  6.6 * 10<sup>-27</sup> m. C)  4.0 m. D)  0.58 km. E)  4.0 mm. . If the velocity is measured to an accuracy of 10-7 m/s, the limit of accuracy with which you can locate the electron is approximately


A) 6.6 * 10-41 m.
B) 6.6 * 10-27 m.
C) 4.0 m.
D) 0.58 km.
E) 4.0 mm.

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