Wave A has a frequency of 500Hz, while wave B has a frequency of 2.0kHz. Which statement about their periods is most accurate?
(a) The period of wave B is four times that of wave A.
(b) The period of wave A is twice that of wave B.
(c) The period of wave A is four times that of wave B.
(d) The two waves have identical periods because they are both periodic.