Five Electrons Are in a Two-Dimensional Square Potential Energy Well

question 34

Multiple Choice

Five 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 energy of the first excited state of the system is:

• A)13 (h²/8mL²)
• B)22 (h²/8mL²)
• C)24 (h²/8mL²)
• D)25 (h²/8mL²)
• E)27 (h²/8mL²)

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Definitions:

Inventory Valuation

The method of calculating the cost associated with inventory at the end of an accounting period to determine the cost of goods sold and inventory on hand.

LIFO Perpetual Inventory System

An inventory management method where the last items added to inventory are assumed to be the first sold, continuously updated.

Ending Inventory

The amount of goods available for sale at the finis of an accounting cycle.

Perpetual LIFO Method

The perpetual LIFO (Last In, First Out) method is an accounting technique for inventory valuation where goods are assumed to be sold in the reverse order they were acquired, continuously adjusting inventory value.