Question

The relative permeability of glass is 3/8 and the dielectric constant of glass is 8.The refractive index of glass is

Answer 1

Answer : n = 1.73

Explanation :

It is given that,

Relative permeability, $\mu_r=\dfrac{3}{8}$

Dielectric constant or relative permittivity, $\epsilon_r=8$

The relation between Relative permeability, Dielectric constant and refractive index is :

$n=\sqrt{\mu_r\ \epsilon_r }$

$n=\sqrt{\dfrac{3}{8}\times 8}$

n = 1.73

Hence, the refractive index of glass is 1.73

Answer 2

Given that,

The relative permeability of glass, $\mu_r=\dfrac{3}{8}$

The dielectric constant of glass, $\epsilon_r=8$

To find,

The refractive index of glass.

Solution,

The relation between relative permeability, dielectric constant and the refractive index of a medium is given by :

$n=\sqrt{\mu_r\epsilon_r} \\\\n=\sqrt{\dfrac{3}{8}\times 8} \\\\n=\sqrt{3} \\\\n=1.73$

So, the refractive index of glass is 1.73.

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The relative permeability of glass is 3/8 and the dielectric constant of glass is 8.The refractive index of glass is

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