4
QuizMultiple Choice

Wavelength and Frequency

Question 4 • Applications and Modeling

NoteCDEFGABFrequency(Hz)261.6293.7329.6349.2392.0440.0493.9The table above lists the frequencies of the C major key. Determine the ratio of the note F to middle C. Express the answer as a simple integer ratio. (Ratios will be approximate due to rounding.)

Answer
A
4 to 3
B
9 to 8
C
5 to 3
D
17 to 9

Explanation

Middle C is 261.6 Hz, and F is 349.2 Hz. Dividing gives 349.2 ÷ 261.6 ≈ 1.33, which is approximately 4/3. Therefore, the ratio of F to middle C is 4 to 3, choice A.

AI-written and checked against the verified answer.

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