# Test the energy-time uncertainty principle for the wave function in Problem 2.5 and the observable x, by calculating H , x , and d(x)/dt exactly. Problem 2.5 A particle in the infinite square well has as its initial wave function an even mixture of the first two stationary states: (x,0) = A[V (x) + (x)].

Chapter 3, Problems #20

Test the energy-time uncertainty principle for the wave function in Problem 2.5 and the observable x, by calculating σ_{H}, σ_{x}, and d(x)/dt exactly.

**Problem 2.5**

A particle in the infinite square well has as its initial wave function an even mixture of the first two stationary states:

## This problem has been solved!

Do you need an answer to a question different from the above? Ask your question!

**Related Book For**

## Introduction To Quantum Mechanics

3rd Edition

Authors: David J. Griffiths, Darrell F. Schroeter

ISBN: 9781107189638