Question

Ques: A membrane is vibrating at a rate of 20
oscillations in two seconds. The sound produced
by the membrane is
A: loud
B: shrill
C: of good quality
D: out of the audible range​

Answer 1

Answer:

Ques: A membrane is vibrating at a rate of 20

oscillations in two seconds. The sound produced

by the membrane is

A: loud

B: shrill

C: of good quality

D: out of the audible range

Answer 2

Answer:

shrill is the right answer of your question