Question: A light bulb emits a spherical wave. If the intensity of the emitted light is 1.0 W/m 2 at a distance of 2.5 m from

A light bulb emits a spherical wave. If the intensity of the emitted light is 1.0 W/m² at a distance of 2.5 m from the bulb, what is the intensity at a distance of 4.0 m?

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