One of the Harmonics of a Column of Air in a Tube

question 91

Multiple Choice

One of the harmonics of a column of air in a tube that is open at both ends has a frequency of 448 Hz,and the next higher harmonic has a frequency of 576 Hz.What is the fundamental frequency of the air column in this tube?

• A)32 Hz
• B)64 Hz
• C)88 Hz
• D)128 Hz
• E)256 Hz

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Definitions:

Variable Selling

Refers to costs that vary directly with the level of sales, such as commissions or shipping fees.

Idle Capacity

The portion of a company's resources, such as labor or machinery, that is not being used to its full potential during the production process.

Joint Processing Costs

The expenses incurred during the initial stages of processing where multiple products are produced simultaneously before they are split into separate components.

Split-off Point

The stage in a production process where multiple products are derived from a single input or process, each taking a different processing route afterward.