Thermal Properties of Matter - Result Question 42
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43. A black body is at temperature of $500 K$. It emits energy at rate which is proportional to [1997]
======= ####43. A black body is at temperature of $500 K$. It emits energy at rate which is proportional to [1997]
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/thermal-properties-of-matter/thermal-properties-of-matter—result-question-42.md (a) $(500)^{4}$
(b) $(500)^{3}$
(c) $(500)^{2}$
(d) 500
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Answer:
Correct Answer: 43. (a)
Solution:
- (a) According to Stefan’s Law $E=\sigma e A T^{4}$
$E \propto T^{4} ;$ so, $E \propto(500)^{4}$
