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Physics-

General

Easy

Question

About 5% of the power of a 100 W light bulb is converted to visible radiation. The average intensity of visible radiation at a distance of 1 m from the bulb:

0.4W/m²
0.5 W/m²
0.6 W/m²
0.8 W/m²

The correct answer is: 0.4W/m²

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