Question

If ${\mu }_0$ be the permeability and ${\epsilon }_0$ be the permittivity of a medium, then its refractive index is given by

• A. $\frac{1}{\sqrt{{{\mu }_0\epsilon }_0}}$
• B. $\frac{1}{{{\mu }_0\epsilon }_0}$
• C. $\sqrt{{{\mu }_0\epsilon }_0}$
• D. None of these

Answer 1

The correct option is D None of these

So correct answer is None of these