What is light ?
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Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nm, between the infrared and the ultraviolet
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- Light is an electromagnetic radiation whose wavelength is within the visible range. In technical or scientific terms, radiation of any wavelength is called light. Origin of light The particle is the photon. The three major dimensions of light are as follows. Intensity that is related to the brightness of light
- Light, or Visible Light, commonly refers to electromagnetic radiation that can be detected by the human eye. Light can also be described in terms of a stream of photons, massless packets of energy, each travelling with wavelike properties at the speed of light.
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