Q: "Human speech is generated in the vocal cords as the lungs push air past them. What property of the vocal cords is changed so that the frequency of sound can be altered?"
A. Volume
B. Density
C. Tension
D. Number
Answer: C
"the frequency of the sound produced in vibrating cords and strings (such as vocal cords) of fixed length is proportional to the propagation speed of the sound through the cord. In turn, the propagation speed of a transverse wave (such as the wave in the vocal...
AAMC official guide C/P discrete question 28
A. Volume
B. Density
C. Tension
D. Number
Answer: C
"the frequency of the sound produced in vibrating cords and strings (such as vocal cords) of fixed length is proportional to the propagation speed of the sound through the cord. In turn, the propagation speed of a transverse wave (such as the wave in the vocal...
AAMC official guide C/P discrete question 28