Adverbs of frequency - LearnEnglish Teens

frequency noun frequency The frequency and wavelength of a wave have an inverse relationship Frequency is a measure of the number of wave crests that pass a fixed point per second frequency Frequency means the number of waves per second Frequency refers to the number of times the alternating current switches between positive and negative in 1

frequency Relation between Frequency and Wavelength · f = 1 t Every point on the wave returns to the same value after one period since a wave undergoes one oscillation