Illumination of room by a 100-W W incandescent lightbulb is smaller than when th

Question

Illumination of room by a 100-WW incandescent lightbulb is smaller than when the Sun enters the hole in the roof. Illumination by each would be much the same, 100 W W . Illumination of room by a 100-WW incandescent lightbulb is higher than when the Sun enters the hole in the roof. Imagine you're in a completely dark room with no windows and you cut a 1-ft round hole in the roof. When the Sun is high in the sky, about 100 W of solar power enters the hole. On the floor where the light hits, you place a beach ball covered with aluminum foil, with the shiny side out. Discuss the illumination in your room compared with that of a 100-W incandescent light bulb?

Explanation / Answer

Illumination by each would be much the same

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