How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under clear skies is 1 000 W/m²? A)3.3 *10 ^- ⁶ J B)3.3 J C)0.003 J D)10 ^- ⁴ J E)3.0 * 10⁵ J

Question

Quizplus · Accepted Answer

The intensity of sunlight is given as 1000 W/m2. This means that 1000 J of energy falls on each square meter of the Earth's surface every second. The energy density is therefore 1000 J/m3.

How Much Electromagnetic Energy Is Contained in Each Cubic Meter