Electrons Are in a Two-Dimensional Square Potential Energy Well with Sides

question 11

Multiple Choice

Electrons are in a two-dimensional square potential energy well with sides of length L. The potential energy is infinite at the sides and zero inside. The single-particle energies are given by where n_x and n_y are integers. The number of single-particle states with energy 5(h²/8mL²) is:

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

---

Definitions:

Global Economy

The interconnected networks of economic activities, trade, and investment transcending national borders, encompassing the production, distribution, and consumption of goods and services worldwide.

Importance

The state or fact of being of great significance or value.

Productive Efficiency

A situation where an economy or a production process is not able to produce more of one good without reducing the production of another good, operating on its production possibilities frontier.

Economy

A system of production, distribution, and consumption of goods and services within a particular geographic area.