The Fundamental Frequency of a Above Middle C on the Piano

question 18

Multiple Choice

The fundamental frequency of a above middle C on the piano is 440 Hz. This is the tenor high A, but a convenient note in the mid-range of women's voices. When we calculate the wavelength, we find that it is

• A) much shorter than the length of either a man's or woman's lips.
• B) shorter than the length of a man's lips, but about the length of a woman's lips.
• C) longer than a woman's lips, but about the length of a man's lips.
• D) much longer than the length of either a man's or a woman's lips.
• E) about the same length as either a man's or woman's lips.

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Definitions:

Hydrogen Sulfide Molecule

A chemical compound with the formula H2S, characterized by a foul odor of rotten eggs; it is a poisonous, corrosive, and flammable gas.

Electronegativity Difference

The measure of the tendency of an atom to attract a bonding pair of electrons towards itself, used to predict the nature of chemical bonds.

Polar Covalent

A type of chemical bond where two atoms share a pair of electrons but they do so unequally, leading to a partial positive charge on one atom and a partial negative charge on the other.

Nonpolar Molecules

Molecules that do not have distinct electrical poles, resulting in a uniform distribution of electrical charge and often being hydrophobic or insoluble in water.