How Much Electromagnetic Energy Is Contained in Each Cubic Meter

question 9

Multiple Choice

How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under clear skies is 1000 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

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