Frequency’s units are per second, written s-1 or hertz, Hz. Hertz and per second are identical units, i.e. 1 s-1 = 1 Hz . When describing a moving wave, frequency means the number of peaks which pass a stationary point in a given amount of time.
Frequency’s units are per second, written s-1 or hertz, Hz. Hertz and per second are identical units, i.e. 1 s-1 = 1 Hz . When describing a moving wave, frequency means the number of peaks which pass a stationary point in a given amount of time.