An Electron Is Trapped in a Deep Well with a Width

question 1

Multiple Choice

An electron is trapped in a deep well with a width of 0.3 nm. If it is in the state with quantum number n = 3 its kinetic energy is:

• A) 6.0 * 10^-28 J
• B) 1.8 *10^-27 J
• C) 6.7 * 10^-19 J
• D) 2.0 *10^-18 J
• E) 6.0*10^-18 J

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Definitions:

Income Statements

A financial report that shows a company's revenue and expenses, resulting in net income or loss over a specific period.

Periodic Inventory System

An inventory accounting system where inventory counts and cost of goods sold calculations are made at set intervals, such as monthly or yearly.

Gross Method

An accounting practice where purchases are recorded at their full invoice amount without deducting any cash discounts.

General Journal Entries

The recordings of financial transactions in the general journal, including both the debit and credit sides of each transaction.