Решение задачи по физике раздел 51 пункт 59 волны

59. In the vacuum along the x axis plane electromagnetic wave propagates. The amplitude of the electric field of the wave is 18.8 V / m. To determine the intensity of the wave, ie, average energy per unit time per unit area, perpendicular to the direction of wave propagation.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)