When a Sound Wave Moves Through a Medium Such as Air

question 42

Multiple Choice

When a sound wave moves through a medium such as air, the motion of the molecules of the medium is in what direction (with respect to the motion of the sound wave) ?

• A) perpendicular
• B) parallel
• C) anti-parallel (in opposite direction)
• D) Both choices B and C are valid.

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Definitions:

Analyzing Business Transactions

The process of reviewing, categorizing, and interpreting the financial activities within a business to understand their impact on the financial statements.

Preparing Closing Entries

The procedure of transferring all income statement balances to permanent accounts at the end of an accounting period to prepare for the next period.

Fiscal Year

A one-year period that companies use for financial reporting and budgeting, which does not necessarily align with the calendar year.

Accounting Period

A specific period of time used by businesses to calculate their financial results and prepare financial statements, such as a month, quarter, or year.