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wavelength
(redirected from effective wavelength)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.

wavelength

Distance between corresponding points of two consecutive waves. “Corresponding points” refers to two points or particles that have completed identical fractions of their periodic motion. In transverse waves, wavelength is measured from crest to crest or from trough to trough. In longitudinal waves, it is measured from compression to compression or from rarefaction to rarefaction. Wavelength, λ, is equal to the speed v of a wave in a medium divided by its frequency f, or λ = v/f.


wavelength
The distance between crests of a wave. The wavelength determines the nature of the various forms of radiant energy that comprise the electromagnetic spectrum. For electromagnetic waves, the wavelength in meters is computed by the speed of light divided by frequency (300,000,000/Hz). For sound waves, the wavelength is determined by 335/Hz. See optical bands.

Length of a Wave
The wavelength is the distance between crests. The higher the frequency, the shorter the wavelength.


Wavelengths of Visible Light
The wavelengths of light that humans can see range from approximately 400 nm to 750 nm.

wavelength
the distance, measured in the direction of propagation, between two points of the same phase in consecutive cycles of a wave.

wavelength [′wāv‚leŋkth]
(physics)
The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation.

Wavelength

The distance between two points on a wave which have the same value and the same rate of change of the value of a parameter, for example, electric intensity, characterizing the wave. The wavelength, usually designated by the Greek letter λ, is equal to the speed of propagation c of the wave divided by the frequency of vibration f; that is, λ = c/f (see illustration). See Wave (physics), Wave motion

Wavelength λ and related quantitiesenlarge picture
Wavelength λ and related quantities

wavelength
For light waves or sound waves, the distance between two successive points of a periodic wave in the direction of propagation, in which the oscillation has the same phase; the distance the wave travels in one period. For light waves three common units of wavelength are: micrometer, nanometer, and angstrom.


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