Question

9. The frequency of G3 is 196.00 Hz.

What is the frequency of G1, which is two octaves below G3?
(Points : 3)
49.00 Hz
98.00 Hz
392.00 Hz
784.00 Hz





Question 10. 10. The frequency of F3 is 174.61 Hz.

What is the frequency of the note that is a perfect fifth below F3?
(Points : 3)
43.6525 Hz
87.305 Hz
116.407 Hz
261.915 Hz

Answer 1

octaves are separated by a factor of 2.
meaning \(G_2=G_1*2\\
G_3=G_1*2^2\)

Answer 2

also a perfect fifth is 7 semitones

Answer 3

thanks so much