Q: A spherical black body of 10 cm radius is maintained at 327⁰C. What is the power radiated? (σ = 5.67 × 10-8 W/m²k⁴) 10 से.मी. अर्धव्यास की एक गोलीय कृष्णिका 327⁰C से. पर पोषित है। विकिरित शक्ति क्या होगी? (σ = 5.67 × 10-8 W/m²k⁴)
A.
231 W
B.
462 W
C.
923 W
D.
1050 W
Correct Answer:
Option C -
Explanations:
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