## Refractive index

Maxwell theory

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

Refractive index for water is $$n=1,33$$. For water $$\epsilon_r=81, \mu_r=1$$ so it should be

$$n=9$$

Why we have so big anomaly for water?

Recognitions:
 Quote by Petar Mali Maxwell theory $$n=\sqrt{\epsilon_r \mu_r$$ Refractive index for water is $$n=1,33$$. For water $$\epsilon_r=81, \mu_r=1$$ so it should be $$n=9$$ Why we have so big anomaly for water?