A Pipe of Length L That Is Closed at One

question 143

Multiple Choice

A pipe of length L that is closed at one end and open at the other end is resonating at its fundamental frequency. Which statement about the sound is correct?

• A) The wavelength is L and there is a displacement node at the pipe's open end.
• B) The wavelength is 4L and there is a displacement node at the pipe's open end.
• C) The wavelength is 4L and there is a displacement antinode at the pipe's open end.
• D) The wavelength is L and there is a displacement antinode at the pipe's open end.

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Definitions:

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations with its current assets, calculated as current assets divided by current liabilities.

Acid-test Ratio

A strict measure used to assess if a company possesses sufficient current assets to pay off its short-term obligations without the need to liquidate its stock.

Times Interest

A metric that evaluates a firm's capability to handle its debt responsibilities using its present earnings.

Equity Multiplier

A financial ratio that measures a company's use of debt financing by comparing total assets to shareholders' equity.