The equation of a plane electromagnetic wave propagating in a medium with mu = 1 has the form e = 10 * sin (6.28 * 10 ^ 81 * t - 4.19x). Determine the dielectric constant of the medium and the wavelength.

Detailed solution with a short recording of the conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
If you have any questions about the solution, write. I try to help.