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 B to middle C.
Answer
A
1.8877
B
1.7983
C
1.9348
D
1.3654
Explanation
Divide the frequency of B by the frequency of middle C: 493.9 ÷ 261.6 ≈ 1.888. This matches choice A, 1.8877, allowing for rounding.
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