In Fizeau's Experiment to Measure the Speed of Light, the Wheel

question 45

Multiple Choice

In Fizeau's experiment to measure the speed of light, the wheel has 475 notches and rotates with a speed of 55.0 rev/sec. Light passing through one notch travels to the mirror and back just in time to pass through the next notch. If the distance between the wheel and the mirror is 8800 m, how much time does it take the wheel to rotate from one notch to the next?

• A) 11.9 s
• B) 24.8 s
• C) 3.83 × 10^-5 s
• D) 7.44 × 10^-5 s
• E) 8.44 × 10^-5 s

---

Definitions:

Level of Management

Refers to the hierarchy within an organization's structure, typically including top-level, middle-level, and lower-level management.

Direct Expense

Costs that can be directly traced to a product, service, or specific cost center, such as raw materials and labor.

Sales Commission Expense

A cost incurred by a company to compensate its sales staff, based on a percentage of the sales they achieve.

Department Store

A large retail store offering a wide variety of goods organized into departments.