Question

If sound a has a frequency of 450 hz and sound b has a frequency of 447 hz, how many beats will you hear when both are played together?

a. 0 beats per second
b. 3 beats per second
c. 6 beats per second
d. 1 beat per 3 seconds

Answer 1

B. 3 beats per second.

Step-by-step explanation:

I got the same question in gizmos and got it right.