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

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

alyssa_xo · Answer

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

alyssa_xo · Answer

also a perfect fifth is 7 semitones

anonymous · Answer

thanks so much