Question

The C major key, starting with the middle C, consists of seven notes (white keys on the piano) with the following frequencies.

Note
C
D
E
F
G
A
B
Frequency(Hz)
261.6
293.7
329.6
349.2
392.0
440.0
493.9

Determine the ratio of the note E to middle C.
a.
1.1224
c.
1.434
b.
1.2599
d.
1.3454

Answer 1

b. 1.2599

Explanation:

The ratio of the two frequencies is found by dividing the first by the second.

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(Freq of E)/(Freq of C) = 329.6/261.6 = 1.2599