What is the films index of refraction

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1. In a beam of light, the electric field is oscillating according to the equation E = E_0 cos(ky+wt)x a) What is the direction is this wave traveling? b) This wave is polarized. What is the plane of polarization?

2. A 390 nm thick film floats on a puddle of water. When illuminated normally with 700 nm light there is no reflection, but 400 nm light is strongly reflected. What is the film's index of refraction?

Reference no: EM13305425

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