An Electron Is Moving at a Speed of 2

question 8

Multiple Choice

An electron is moving at a speed of 2.1 *10⁶ m/s in the first Bohr orbit.Determine its de Broglie wavelength.

• A)0.30 *10 ^{- 10} m
• B)1.7 *10 ^{- 10} m
• C)0.50 *10 ^{- 10} m
• D)3.5 *10 ^{- 10} m
• E)1.5 *10 ^{- 10} m

---

Definitions:

Division Q

A specific segment or section within an organization, referred to as "Q," likely focused on a particular set of tasks or goals.

Contribution Margin Ratio

The percentage of sales revenue that exceeds variable costs, indicating how much contributes to covering fixed costs and generating profit.

Variable Expenses

Variable expenses are costs that vary directly with changes in production levels or business activity, such as materials and labor.

Contribution Margin

The amount remaining from sales revenue after all variable expenses have been deducted.