Thermodynamics - Result Question 6
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6. 110 joules of heat is added to a gaseous system whose internal energy is $40 J$. Then the amount of external work done is
======= ####6. 110 joules of heat is added to a gaseous system whose internal energy is $40 J$. Then the amount of external work done is
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/thermodynamics/thermodynamics—result-question-6.md (a) $150 J$
(b) $70 J$
(c) $110 J$
(d) $40 J$
[1993]
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Answer:
Correct Answer: 6. (b)
Solution:
- (b) $\Delta Q=\Delta U+\Delta W$
$\Rightarrow \Delta W=\Delta Q-\Delta U=110-40=70 J$
