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encyclopedia2.thefreedictionary.com/Frequency+(wave+motion)

Frequency is measured in hertz. The frequency of a wave is the number of wave crests passing a point per unit time. For light and other electromagnetic radiation, it is related to wavelength λ by ν = c /λ, where c is the speed of light. Frequency .

www.dictionary.com/browse/frequency

In physics, the number of crests of a wave that move past a given point in a given unit of time. The most common unit of frequency is the hertz , corresponding to one crest per second. The frequency of a wave can be calculated by dividing the speed of the wave by the wavelength.

en.wikipedia.org/wiki/Frequency

An electromagnetic wave can have a frequency less than 4 × 10 14 Hz, but it will be invisible to the human eye; such waves are called infrared (IR) radiation. At even lower frequency, the wave is called a microwave, and at still lower frequencies it is called a radio wave.

www.physicsclassroom.com/class/waves/Lesson-2/Frequency...

Given this definition, it is reasonable that the quantity frequency would have units of cycles/second, waves/second, vibrations/second, or something/second. Another unit for frequency is the Hertz (abbreviated Hz) where 1 Hz is equivalent to 1 cycle/second. If a coil of slinky makes 2 vibrational cycles in one second, then the frequency is 2 Hz.

www.answers.com/Q/What_is_the_definition_of_wave_frequency

The wave frequency is by definition the inverse of the period of this change, that is the inverse of the time elapsed between two consecutive instant where the considered quantity has the same ...

www.amazingspace.org/.../term-full.php?t=wavelength_and_frequency

Wavelength and frequency. Light is measured by its wavelength (in nanometers) or frequency (in Hertz). One wavelength equals the distance between two successive wave crests or troughs. Frequency (Hertz) equals the number of waves that passes a given point per second.

www.merriam-webster.com/dictionary/frequency

the alarming frequency of serious automobile accidents caused by young drivers The frequency of student errors was frustrating to the young teacher. Our visits decreased in frequency. Errors were occurring with increasing frequency. a sound wave of high frequency waves having very different frequencies from one another a current having a frequency of 60 hertz a radio frequency of 30 megahertz

dictionary.reverso.net/english-definition/wave+frequency

standing wave n (Physics) the periodic disturbance in a medium resulting from the combination of two waves of equal frequency and intensity travelling in opposite directions. There are generally two kinds of displacement, and the maximum value of the amplitude of one of these occurs at the same points as the minimum value of the amplitude of the other.

www.thefreedictionary.com/Frequency+(wave+motion)

Define Frequency (wave motion). Frequency (wave motion) synonyms, Frequency (wave motion) pronunciation, Frequency (wave motion) translation, English dictionary definition of Frequency (wave motion). n. pl. fre·quen·cies 1. The property or condition of occurring at frequent intervals. 2. Mathematics & Physics The number of times a specified ...

www.britannica.com/science/frequency-physics

Frequency, in physics, the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.A body in periodic motion is said to have undergone one cycle or one vibration after passing through a series of events or positions and returning to its original state.