Question

Three sound waves of equal amplitudes
have frequences (n-1),n,(n+1). They
superimpose to give beats. The number
of beats produced per second will be
a) 1 b) 4 c) 3 d) 2​

Answer 1

Answer:

1 it is correct but i am not sure 100 percent

Answer 2

I think 1 is the answer

$<marquee scrollamount=1300> FOLLOW ME♥️♥️ </marquee>$