A light source radiates 60.0 W of single-wavelength sinusoidal light uniformly in all directions.What is the amplitude of the magnetic field of this light at a distance of 0.700 m from the bulb? (ε0 = 8.85 × 10-12 C2/N ∙ m2,μ0 = 4π × 10-7 T ∙ m/A,c = 3.0 × 108 m/s)
A) 1.76 × 10-7 T
B) 2.02 × 10-7 T
C) 2.22 × 10-7 T
D) 2.86 × 10-7 T
Correct Answer:
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