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What will be the refractive index of a transparent medium if the speed of light in the transparent medium is found to be 2.4 xx 10^(8) m//s ?

Answer»

Solution :DATA `: C = 3 XX 10^(8) m//s, v = 2.4 xx 10^(8) m//s , N = ?`
`n = ( c )/( v ) = ( 3 xx 10^(8) m//s )/( 2.4 xx 10^(8) m//s )`
`=(3)/( 2.4) = ( 30)/( 24) = ( 5)/( 4)= 1.25`
The absoluterefractive index of the medium `= 1.25 `


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