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[[Category: Optics]] | [[Category: Optics]] | ||
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[[File:Visible_Light.jpg|thumb|500px|right|The visible spectrum of the electromagnetic spectrum.]] | [[File:Visible_Light.jpg|thumb|500px|right|The visible spectrum of the electromagnetic spectrum.]] | ||
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Light is a part of the [[electromagnetic spectrum]] that are visible to the human [[eye]]. Light is made up of the [[elementary particle]] known as [[photon]] travelling at different [[wavelength]]s determined by their [[energy]]. When photons travel at a wavelength range from 400 to 700 nanometre, it radiates as visible light. Like any elementary particles, photons exhibit the [[wave-particle duality]]. The visible light can be split into its constituent wavelengths by passing the light through a [[prism]]. This is known as light [[dispersion]]. A [[rainbow]] is the most common example that practically displays this spectacular phenomenon. | Light is a part of the [[electromagnetic spectrum]] that are visible to the human [[eye]]. Light is made up of the [[elementary particle]] known as [[photon]] travelling at different [[wavelength]]s determined by their [[energy]]. When photons travel at a wavelength range from 400 to 700 nanometre, it radiates as visible light. Like any elementary particles, photons exhibit the [[wave-particle duality]]. The visible light can be split into its constituent wavelengths by passing the light through a [[prism]]. This is known as light [[dispersion]]. A [[rainbow]] is the most common example that practically displays this spectacular phenomenon. | ||