Answer:
C.
Step-by-step explanation:
Pitch is that quality of sound that helps ud knoe the difference between a high sound and low sound .
Frequency is the number of cycles or oscillations completed per second.
The pitch of sound is directly proportional to the frequency of the sound.
f is proportional to
. As the tension is increased the frequency increases . when the tension is decreased the frequency decreases likewise and hence the pitch will also drop