S1. Planning in India is a difficult task.
S6. But without planning no nation can make progress
P. So planners can not decide the size of the plan.
Q. The gap between what people want and what can be done is big.
R. Moreover Resources are limited
S. Plan can be drawn on the basis of actual resources.
The correct sequence should be:
(A) RPQS
(C) RSQP
(B) QSRP
(D) QPRS
Answers
Explanation:
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If work done by the system is 300 joule when 100 cal, heat is supplied to it. The change in internal energy during the process is :-
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Correct option is D)
Solution:- (D) 120J
As the work is done by the system and heat is supplied to the system.
Therefore,
q=100 cal=420J
w=−300J
Now from first law of thermodynamics,
ΔU=q+W
∴ΔU=420+(−300)
⇒ΔU=120J
Hence the change in internal energy during the process is 120J.
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SIMILAR QUESTIONS
If work done by the system is 300 joule when 100cal. heat is supplied to it. The change in internal energy during the process is;
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The work done by a system is 8 joule, when 40 joule heat is supplied to it, What is the increase in internal energy of system.
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Answer:
(D) 120J
Explanation:
this is the correct answer believes me