02-05-2018
Mathematics

contestada

The frequency of F3 is 174.61 Hz. What is the frequency of the note that is a perfect fifth below f3?
A) 43.6525 Hz
B) 87.305 Hz
C) 116.407 Hz
D) 261.915 Hz

Respuesta :

sqdancefan sqdancefan

04-05-2018

Notes separated by a perfect 5th have a frequency ratio of 3:2. The note a perfect 5th below f3 will have a frequency of
174.61 Hz × 2/3 = 116.407 Hz

The appropriate choice is ...
C) 116.407 Hz

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