When a Sine Wave Is Used to Represent a Sound

question 2

Multiple Choice

When a sine wave is used to represent a sound wave, the crest corresponds to:

• A) rarefaction.
• B) condensation.
• C) a point where molecules vibrate at a right angle to the direction of wave travel.
• D) a region of low elasticity.

---

Definitions:

Statement of Cash Flows

A financial report showing the cash inflows and outflows from operating, investing, and financing activities over a period.

Operating Activities

Operating activities involve the primary revenue-generating activities of an entity, as reflected in its profits or losses from core operations.

Depreciation

The method of allocating the cost of a tangible asset over its useful life, reflecting the loss of value over time.

Accounts Payable

Liabilities to creditors for goods, services, or supplies delivered or used in the earning process but not yet paid for.