The uncertainties of a position and a momentum of a particle (Ax) and (Ap) a defined as are

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 39P
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The uncertainties of a position and a momentum of a particle (Ax) and (Ap) are
defined as
Ax = /(x²) – (x)²
Ap = /(p*) – {p}²
1. For the particle in the box at the ground eigenstate (n = 1) and first excited state (
2), what is the uncertainty in the value x? How would you interpret the
results of these calculations?
n =
2. For the particle in the box at the ground eigenstate (n = 1) and first excited state (
n = 2), what is the uncertainty in the value p? How would you interpret the
results of these calculations?
3. What is the product for the ground and first excited state: AxAp.
4. Does the Heisenberg Uncertainty Principle hold for a particle in each of these
states?
Transcribed Image Text:The uncertainties of a position and a momentum of a particle (Ax) and (Ap) are defined as Ax = /(x²) – (x)² Ap = /(p*) – {p}² 1. For the particle in the box at the ground eigenstate (n = 1) and first excited state ( 2), what is the uncertainty in the value x? How would you interpret the results of these calculations? n = 2. For the particle in the box at the ground eigenstate (n = 1) and first excited state ( n = 2), what is the uncertainty in the value p? How would you interpret the results of these calculations? 3. What is the product for the ground and first excited state: AxAp. 4. Does the Heisenberg Uncertainty Principle hold for a particle in each of these states?
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