AnswersApplications and ModelingWavelength and FrequencyQuestion 6
6
QuizMultiple Choice

Wavelength and Frequency

Question 6 • Applications and Modeling

The C major key, starting with the middle C, consists of seven notes (white keys on the piano) with the following frequencies.NoteCDEFGABFrequency(Hz)261.6293.7329.6349.2392.0440.0493.9Determine the ratio of the note E to middle C.

Answer
A
1.1224
B
1.2599
C
1.434
D
1.3454

Explanation

Divide the frequency of E by the frequency of middle C: 329.6 ÷ 261.6 ≈ 1.2595. Rounded to the precision of the choices, this is 1.2599, so the ratio is choice B.

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