The intensity of sunlight at the Earth is about 1367W/m ² . How much further away would the Sun have to be before the solar radiation was only as intense as a 100W light bulb 10 meters away, assuming all the light from the bulb goes into radiation and this spreads evenly in all directions?

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Intensity of a 100 W bulb 10 m away I PowerArea 100 4r 2 100 410 2 00796 Wm ... View the full answer