Question

Choose ALL the correct statements about beats.

A) Typically favg >> fbeat
B) Typically favg << fbeat
C) When the two frequencies are nearly equal, we hear only the average oscillation frequency.
D) The slow modulation causes the soft-loud-soft "beat" pattern we hear.
E) Typically favg = fbeat
F) When the two frequencies are nearly equal, we hear BOTH f1 and f2 independently.
G) The slow modulation of frequency is described by a sinusoid.

Answer 1

I know B is one of the because the favg is fbeat/2 but i am not sure about the others.