Physics

Physics, 30.12.2020 05:40, memester74

A 60-W light bulb radiates electromagnetic waves uniformly in all directions. At a distance of 1.0 mfrom the bulb, the light intensity is I0, the average energy density of the waves is u0, and the rms electric and magnetic field values are E0 and B0, respectively. At 2.0 m from the bulb, what is the light intensity?

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A 60-W light bulb radiates electromagnetic waves uniformly in all directions. At a distance of 1.0 m...

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