jangyasinniTeacher
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The refractive index (n) of a medium is related to its dielectric constant (ε) at optical frequencies through the Maxwell relation, which is given as:
[ n = sqrt{epsilon} ]
Given that the dielectric constant, ( epsilon = 256 ), we can calculate the refractive index as:
[ n = sqrt{256} ]
[ n = 16 ]
Therefore, the refractive index when the dielectric constant is 256 in air is 16.
b
Explanation: By Maxwell relation, εr = n
2
, where εro is the dielectric constant at optical
frequencies and n is the refractive index.For the given dielectric constant we get n = 16.
16
Explanation: By Maxwell relation, εr = n2, where εro is the dielectric constant at optical frequencies and n is the refractive index.For the given dielectric constant we get n = 16.