Engineering Board Exam Reviewer · Thermodynamics · medium
What is the rate of radiation emitted by a 1 m2 blackbody surface at 500 K? ( = 5.67 × 10-8 W/m2· K4)
- 708.75 W
- 221.48 W
- 3543.75 W
- 7087.50 W
Answer
C. 3543.75 W
Solution
E = AT4 = 5.67 × 10-8 (1)(500)4 = 3543.75 W.
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