Purchase Solution

Quantum Mechanics and Particle Position

Not what you're looking for?

Ask Custom Question

Part A) What is the expectation value of finding the particle at x = 2L/3 in a box of length L and in the ground state?

Part B) Same question with the particle at the first excited state.(n=2)

Part C) Can you explain what is the difference between a probability and an expectation value?

(4 of the 7 are for the explanation!!).

Purchase this Solution
Solution Summary

This solution explains the concept of expectation value and determines the value of finding a particle at a particular position in the ground state and excited state. It also discusses the difference between a probability and the expectation value.

Solution Preview

The solution is attached below in two files identical in content but differ in format (MS-word ...

Purchase this Solution
Free BrainMass Quizzes
Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

View More Free Quizzes
Related BrainMass Solutions

  • Zero point energy and uncertainty principle

    46177 Zero point energy and uncertainty principle Discuss the connection between zero-point energy of a particle in a box and the uncertainty principle In a quantum mechanical system such as the particle in a box or the quantum harmonic oscillator, the

  • Problems in Quantum Mechanics

    We solve several problems in quantum mechanics.

  • 1D motion of a quantum particle

    (a) Explain why according to quantum mechanics, the ground state energy (i.e. the lowest possible energy of the particle) can never be zero.

  • Introduction to quantum mechanics past paper

    63102 Introduction to quantum mechanics past paper 2. Two possible wave functions for states of a particle, with definite energies E_1 and E_2 are: see attachement for equations. - Explain why these are called stationary states.

  • What minimum barrier thickness is there no reflection?

    Usual notations and values for fundamental constants are used in the derivation. Refer to any good book on quantum mechanics to see the equation for tunneling when the barrier potential is lesser than the incident particle energy.

  • Quantum Mechanics

    310202 Quantum Mechanics: Example Problems Which of the following statements are true about quantum theory? 1.(T/F)photoelectric effect shows the particle-like nature of light 2.

  • Commutation and Completeness in 1D Hamiltonian

    Reference: Cohen Quantum Mechanics Hello and thank you for posting your question to Brainmass. The solution is attached below in two files. the files are identical in content, only differ in format.

  • probability of finding the particle in the interval

    153509 Quantum Mechanics A particle is in the first excited state (n = 2) of a box of length L. Find the probability of finding the particle in the interval deltax = 0.002 located at x = L/2 . Please see the attached file.

  • Chemistry: The Heisenberg Uncertainty Principle.

    In quantum mechanics, things are even more complicated. Unobserved, the system (in this case an atom) can simultaneously coexist in several quantum states. When we observe the system it collapses into only one of these quantum states.

View More Related Solutions