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

question 129

Multiple Choice

One of the harmonics of a column of air in a tube that is open at one end and closed at the other 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

---

Definitions:

Standard Deduction

A fixed dollar amount that reduces the income on which you are taxed, varying by filing status, and used instead of itemizing deductions.

Positive Adjustment

An increase in the amount of reported income or expense, resulting in a higher taxable income.

AMTI

Alternative Minimum Taxable Income, which is calculated to ensure that taxpayers with large amounts of deductions, exemptions, and exclusions still pay a minimum amount of tax.

AMT Depreciation

Depreciation methods and rates that apply for the Alternative Minimum Tax, a parallel tax system to ensure certain taxpayers pay a minimum amount of tax.