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formula for speed of light permittivity permeability. Calculate the relative permittivity. Vp c sqrtuses 1 hereVp phase velocity msc speed of light in vacuum ms 299792458e8 ms Footnote 1us relative permeability of mediumes relative dielectric constant of medium.
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So The relation between permittivity permability and the refractive index of the medium is Refractive index of a medium i m0. 66 10-27 kg. So as per the above permeability formula it becomes unit Newton per Ampere square.
66 10-27 kg.
99 10 8 ms-1 Acceleration due to gravity at Earths surface g 9. The speed of light in vacuum commonly denoted c is a universal physical constant important in many areas of physicsIts exact value is defined as 299 792 458 metres per second approximately 300 000 kms or 186 000 mis. Equation 6 As you can see the speed of light slows down in a dielectric relative to the speed in a vacuum. In addition it is known that the speed of light in free space is related to the permittivity and permeability of a medium.
