Question

What is a wave frequency?
A.
the loudness of a wave as it travels though the air
B.
the height of a wave between peak and trough
C.
the speed that a wave is passed from particle to particle through a medium
D.
the number of waves that pass a fixed point in a fixed period of time

Answer 1

D. Frequency is the number of waves (or cycles) that pass a fixed point in a given period of time (measured in hertz, Hz).