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Frequency can be applied to any kind of motion that is repetitive. It answers the question; "how frequent does the cycle repeat itself?" Then it is expressed by counting how often the motion repeats in a certain amount of time and dividing that count by the time. For example if 12 complete waves (or cycles) pass a point in 6 seconds then the frequency is 12/6 = 2 cycles/sec. The unit of 1 cycle/sec is called a Hertz so the frequency would also be expressed as 2 Hertz or 2 Hz.

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Q: How is frequency expressed?
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Related questions

Rule or principle frequency expressed in statistical symbols?

Rule or principle frequency expressed in statistical symbols?


What unit is frequency expressed?

Hertz.


Is the cummulative frequency distribution a relative frequency distribution expressed in absolute numbers?

in form of percent


Which property is expressed in units of hertz?

Frequency is the property expressed in units of hertz. It represents the number of cycles of a periodic waveform that occur in one second.


What is a Rule or principal frequency expressed in statistical symbols?

formula


What does the word relative frequency as a decimal mean in math?

It is the observed frequency divided by the total number of observations, expressed as a percentage.


Define modulation and modulation index?

a measure of the degree of frequency modulation expressed numerically for a pure tone modulation as the ratio of the frequency deviation to the frequency of the modulating signal.


What does the frequency of sound measure?

The frequency of sound measures how many cycles of vibration occur per second, and it is expressed in Hertz (Hz). The higher the frequency, the higher the pitch of the sound.


How does the amplitude and frequency affect wavelength?

The amplitude of a wave does not affect its wavelength as wavelength is determined by the speed of the wave and its frequency. Frequency and wavelength are inversely proportional; as frequency increases, wavelength decreases, and vice versa. This relationship is expressed mathematically as wavelength = speed of the wave / frequency.


AM radio dials are calibrated in frequency. A certain AM Brockville radio station broadcasts at a frequency of 830 kHz. What is the wavelength of these radio waves expressed in meters?

1


What is a difference between frequency and angular frequency?

Frequency is a metric for expressing the rate of oscillation in a wave. For planar and longitudinal waves, this often expressed in oscillations-per-second or Hz. Angular frequency used for expressing rates of rotation, similar to revolutions-per-second, and is usually expressed in radians-per-second. It can be thought of as a wave with a constant amplitude where the amplitude rotates in a circle in space. The two differ by factor of 2*Pi. Omega (angular frequency) = 2*Pi*f(frequency in Hz)


What is alle frequency?

There seems to be a spelling error in your query. If you are referring to "allele frequency," it is a measure of the relative frequency of an allele within a population's gene pool. It is expressed as a proportion or percentage of all alleles at a particular genetic locus.