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waves

words and definition

TermDefinition
compressional wave Mechanical longitudinal waves are also called compressional waves or compression waves, because they produce compression and rarefaction when traveling through a medium.
diffraction the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced.
electromagnetic spectrum the range of wavelengths or frequencies over which electromagnetic radiation extends.
electromagnetic wave Electromagnetic waves are waves which can travel through the vacuum of outer space. Mechanical waves, unlike electromagnetic waves, require the presence of a material medium in order to transport their energy from one location to another.
frequency he rate at which something occurs or is repeated over a particular period of time or in a given sample.
infrared wave Astronomers similarly analyze the infrared radiation emitted by celestial bodies determine their temperature and composition. infrared definition. (IR) Electromagnetic waves in the frequency range just below visible light corresponding to radiated heat.
intensity the measurable amount of a property, such as force, brightness, or a magnetic field.
law of reflection he incident ray, the reflected ray and the normal to the reflection surface at the point of the incidence lie in the same plane.
pitch the human intake of high quality sound
refraction When light travels from a medium with a higher refractive index to one with a lower refractive index, Snell's law seems to require in some cases (whenever the angle of incidence is large enough).
reverberation repeated acho of sound.
transverse waves a wave vibrating at right angles to the direction of its propagation.
ultraviolet waves Radiation in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays.
wave a long body of water curling into an arched form and breaking on the shore
wavelength the distance between successive crests of a wave, esp. points in a sound wave or electromagnetic wave.
Created by: areese123