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how to calculate speed of light through a medium. The speed of light in a vacuum is known to be 29979246 kms. How do you calculate the speed of light in a medium.
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In order to operate the tutorial use the Refractive Index of Material slider to change the composition and refractive index of the block between a range of 10 and 391. C the speed of light 300000 kms or 30 x 10 8 ms the wavelength of light usually measured in meters or Angstroems 1 A 10 -10 m f the frequency at which light waves pass by measured in units of per seconds 1s. This value is the speed of light in a vacuum.
Even though light slows down in matter it still travels at an amazing speed even through a dense material such as lead still travels at an amazing speed.
The lower the refractive index the faster the velocity of light. For example the speed of light through water is 22500000 kms. Light will travel faster through medium A at a velocity equal to the speed of light divided by the refractive index. Medium A has the smaller refractive index.
