Question

If the frequencies of two component waves are 24 Hz and 20 Hz, they should produce _______ beats per second.

A. 8
B. 12
C. 2
D. 4

Answer 1

I believe it should be D

Answer 2

Answer:

4

Explanation:

If the frequencies of two component waves are 24 Hz and 20 Hz, they should produce 4 beats per second.