Multiple Choice
Assuming a filament in a 100 W light bulb acts like a perfect blackbody,what is the temperature of the hottest portion of the filament if it has a surface area of 6.3 × 10-⁵ m²? The Stefan-Boltzmann constant is 5.67 × 10-⁸ W/(m² · K²) .
A) 130 K
B) 1100 K
C) 2300 K
D) 5800 K
E) 30 000 K
Correct Answer:
Verified
Correct Answer:
Verified
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