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A light bulb emits the energy at a rate 16 n W. Treating the bulb as a point source, what is the irradiance at a distance of 2 m from the bulb? (Units in W/m2) Answer:

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A light bulb emits the energy at a rate 16 n W. Treating the bulb as a point source, what is the irradiance at a distance of 2 m from the bulb?
(Units in W/m2)
Answer:

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