Use the Figure to the Right to Answer the Next

question 27

Multiple Choice

Use the figure to the right to answer the next problem.
The graph shows three harmonics.
-The frequency spectrum of the composite wave is best represented by

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Definitions:

Ethanol

A volatile, flammable, colorless liquid alcohol, used as a solvent and in the manufacture of organic chemicals and biofuels.

Methanol

A simple alcohol with the formula CH₃OH, used as a solvent, antifreeze, fuel, and as feedstock for chemical synthesis.

Balanced Equation

A chemical equation in which the number of atoms for each element is the same on both the reactant and product sides.

Propanol

An alcohol with the chemical formula C3H8O, used as a solvent and antiseptic.