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8.Electromagnetic waves
easy

જ્યારે $\mu_r \, ,\,\epsilon_r $એ સાપેક્ષે પરમીએબીલીટી અને ડાઈઈલેક્ટ્રોક અચળાંક છે. તેનો વક્રીભવનાંક .....છે.

A

$1 / \sqrt{{\mu_r}{\epsilon_r}}$

B

$1$ / ($\mu_r \epsilon_r)$

C

$\sqrt {{\mu_r}{\epsilon_r}} $

D

$\mu_r \epsilon_r$

Solution

Refractive index is equal to the root of the product of the relative permeability and relative dielectric constant.

Hence, Refractive index $=\sqrt{\mu_{ r } \epsilon_{ r }}$.

Standard 12
Physics

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