An Electron Is Confined in a Two-Dimensional Box Where U(x,y)=

question 27

Multiple Choice

An electron is confined in a two-dimensional box where U(x,y) = 0 for x = 0 to L and y = 0 to 3L,and U(x,y) = infinity outside these boundaries.If L = 0.5 nm,then calculate the energy of the first excited state.

• A)1.7 eV
• B)2.2 eV
• C)6.2 eV
• D)3.0 eV
• E)None of these is correct.

Understand color modification techniques including sepia, color saturation, and grayscale effects.

Be familiar with the presentation themes and how they influence the formatting of slides.

Recognize the functionality of various formatting buttons and their locations in the PowerPoint interface.

Understand the process and options for breaking down and regrouping clip art pictures.

---

Definitions:

Discharged Debt

Debt that has been forgiven or cancelled, legally releasing the debtor from the obligation to repay.

Late Charges

Fees imposed for not meeting the payment deadlines as stipulated in a contract or agreement.

Option Contract

A contract granting the holder the right, but not the obligation, to buy or sell an asset at a specified price within a set period.

Consideration

Something of value exchanged by parties that forms the basis of a contract, making it legally binding.