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Refractive index in diamond with respect to glass is 1.6 and absolute refractive index of glass is 1.5. Find out the absolute refractive index of diamond.

Answer»

Solution :`mu_(g)=mu_("glass")=1.5 mu_(d)=mu_("DIAMOND")=?`
`mu_(dg)=(V_(g))/(V_(d))=1.6` But `mu_(g)=(c )/(V_(g))`
`1.5=(3XX10^(8))/(V_(g))"" V_(g)=(3xx10^(8))/(1.5)`
Also, `mu_(dg)=(V_(g))/(V_(d))=1.6 "" 1.6=(3xx10^(8))/(1.5)div V_(d) "" V_(d)=(3xx10^(8))/(1.5xx1.6)`
`mu_(d)=(c )/(V_(d))=3xx10^(6)=(3xx10^(8))/(1.5xx1.6)`
The ABSOLUTE refractive index of diamond is 2.4


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