Near the earth the intensity of radiation from the sun is 1.35 kW/m2. What volume of space in this region contains 1.0 J of electromagnetic energy? (c = 3.0 x 108 m/s, μ0 = 4π × 10-7 T ∙ m/A, ε0 = 8.85 × 10-12 C2/N ∙ m2)
A) 4.5 x 10-6 m3
B) 3300 m3
C) 7.4 x 10-4 m3
D) 1400 m3
E) 220,000 m3
Correct Answer:
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