In Section 39.5, we found that the de Broglie equation relates the momentum of a particle to its wavelength through the relation p = h/A. If an ideal free particle has a precisely known momentum p, its wave function is an infinitely long sinusoi- dal wave of wavelength A = h/p, and the particle has equal probability of being at any point along the x axis (Fig. 39.18a). The wave function y for such a free particle moving along the x axis can be written as (x) = Aekx (40.4)
In Section 39.5, we found that the de Broglie equation relates the momentum of a particle to its wavelength through the relation p = h/A. If an ideal free particle has a precisely known momentum p, its wave function is an infinitely long sinusoi- dal wave of wavelength A = h/p, and the particle has equal probability of being at any point along the x axis (Fig. 39.18a). The wave function y for such a free particle moving along the x axis can be written as (x) = Aekx (40.4)
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter28: Quantum Physics
Section: Chapter Questions
Problem 58P
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Consider the wave function for the free particle, as shown. At what value of x is the particle most likely to be found at a given time? (a) at x = 0 (b) at small nonzero values of x (c) at large values of x (d) anywhere along the x axis
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