- #1
June_cosmo
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Homework Statement
Within a certain material, an EM wave with = 1 mm is attenuated to
10% of its original intensity after propagating 10 cm. Determine the imaginary part of the index
of refraction ni
Homework Equations
3. The Attempt at a Solution [/B]
so [tex]n_i=\sqrt{\frac{\epsilon\mu}{\epsilon_0\mu_0}}[/tex]
but I still don't get the imagery part...