it is necessary to identify the optical density of a particular medium air for example is 1.00 and the refraction in a medium can be figured out by sinøincidence ÷ sinø refraction
Higher the refractive index, less the speed of light
It is usually expressed the other way: the ratio of the speed of light in a vacuum to the speed of light in a medium. In that case, it is called the "index of refraction".
The speed of light in any medium isspeed of light in vacuum/refractive index of that medium.
The refractive index or index of refraction of a substance is a measure of the speed of light in that substance. It is expressed as a ratio of the speed of light in vacuum relative to that in the considered medium.A simple, mathematical description of refractive index is as follows:n = velocity of light in a vacuum / velocity of light in mediumHence, the refractive index of water is 1.33, meaning that light travels 1.33 times as fast in a vacuum as it does in water.
Refractive Index= Speed of Light in Vaccum / Speed of Light in the material
The relative refractive index tells the speed of light in a vaccum over the speed of light in medium.
"The refractive index is a measure of how much light bends or refracts when it is passed through a certain medium. The higher the numerical value of the refractive index, the more that light suffers from refraction."
Refractive index of the medium is defined as the ratio of the velocity of light in vacuum to that in the medium. No unit for refractive index.
Refractive index is defined as the ratio of the speed of light in vacuum to the speed of light in given media.
refractive index is the measure of how how fast or slow light travel through a material reference to the speed of light in empty space.
Refractive index is a physicsâ?? measurement used to figure out the bend length a ray of light takes when passing through objects.
The refractive index is inversely proportional to the wavelength, so the shorter the wavelength (the higher the frequency, or the more "blue" the light) the higher the refractive index. Conversely, the longer the wavelength (the lower the frequency, or the more "red" the light), the lower the refractive index. Therefore as wavelength of blue in less the refractive index will be maximum. For more information, follow the related link below.