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The ratio of the speed of light in a vacuum to the speed of light in a particular material is called what?
The Index Of Refraction Of The material (Ansewere)

Respuesta :

The ratio of the speed of light in a vacuum to the speed of light in a particular material is called refractive index.

When light travels in a medium other than a vacuum, the atoms of that medium constantly absorb and re-emit particles of light, slowing down the speed of light, the ratio between the speed of light in a medium and the speed in a vacuum is the index of refraction or called as refractive index.

  • It is a dimensionless quantity.
  • It depends upon the properties of the material.
  • It can also be defined as a number that tells how much slower a light wave is in a material than it is in a vacuum.
  • It is denoted by n
  • Mathematically, n = (c/v)

where n = refractive index of the material

c = speed of light in vacuum

v = speed of light in the material

To know more about refractive index,

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