When Two Organ Pipes Each Closed at One End Sound

question 53

Multiple Choice

When two organ pipes each closed at one end sound a perfect fifth, such as two notes with fundamental frequencies at 440 Hz and 660 Hz, both pipes produce overtones. Which choice below correctly describes overtones present in both pipes?

• A) 440, 880 and 1 320 Hz.
• B) 660, 1 320 and 1 980 Hz.
• C) 880, 1 320 and 1 760 Hz.
• D) 1 320, 2 640 and 3 960 Hz.
• E) They have no overtones in common.

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Definitions:

Monopolistic Competition

A market structure characterized by many firms selling products that are similar but not identical, allowing for some degree of market power.

Homogeneous Products

Refers to goods that are identical in quality and features, making them perfect substitutes for each other in the eyes of consumers.

Decision Variable

A variable that represents choices available to the decision-maker in problem-solving or optimization scenarios.

Barriers

Obstacles that prevent entry into a market or impede growth and can be economic, regulatory, technological, or cultural.