The solution of the problem 3.13 cr 3 from the problem

The solution of the problem 3.13 cr 3 from the problem

Task 3.13
The equation of a plane electromagnetic wave propagating in a medium with? = 1, has the form
E = 10 sin (6.28 × 108t-4.19x).
Determine the dielectric constant of the medium and the wavelength.

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