An Organ Pipe Open at Both Ends Is 1

question 63

Multiple Choice

An organ pipe open at both ends is 1.5 m long. A second organ pipe that is closed at one end and open at the other is 0.75 m long. The speed of sound in the room is 330 m/s. Which of the following sets of frequencies consists of frequencies which can be produced by both pipes?

• A) 110 Hz, 220 Hz, 330 Hz
• B) 220 Hz, 440 Hz, 660 Hz
• C) 110 Hz, 330 Hz, 550 Hz
• D) 330 Hz, 440 Hz, 550 Hz
• E) 220 Hz, 660 Hz, 1 100 Hz

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Definitions:

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted, contributing towards covering fixed costs and profit.

Net Loss

The result when a company's total expenses exceed its total revenues over a specific period, indicating a negative profit.

Opportunity Cost

The cost of missing out on the next best alternative when making a decision.

Special Order

An order for a product or service that is outside the company's standard offerings, often requiring customization.