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If the speed of light in a medium is 1. ...

If the speed of light in a medium is `1. 5 xx 10^(8) m//s `, what is the absolute refractive index of the medium ?

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Data `: v = 1.5 xx 10^(8) m//s, c = 3 xx 10^(8) m//s, n = ?`
`n = ( c )/( v ) = ( 3 xx 10^(8) m//s )/( 1.5 xx 10^(8) m//s ) = 2 `
This is the absolute refractive index of the medium.
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