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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Thermodynamics
solve this in the shortest way/ trick ?? . .
2 Answer(s)
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Abhishek singh Best Answer
For shortest method/trick. You should remember one thing here. for a cyclic process, change in state function is zero, i.e. change in internal energy (dU=0). So you don't need to calculate dU, it means dQ=dW, hence calculate dW for the process (it will give you dQ, as dQ=dW). This is the trick here. Solution attached. Best regards
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Shanu arora
hereis the detailed solution. the easiest solution for cyclic systems is to find the area of the figure to calculate workdone in pv diagrams ,but here the figure is not so easy hence have to follow a easy procedure , I have tried to make it as descriptive as possible ,hope it helps you, feel free for any doubts
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Ruby negi![best-answer]()
here is the solution.. Remember that the area under the cover of PV diagram is work done. so when the diagram is okay to find area that need not to go process by process, just find dW i.e area under the curve and u know dU=0 for cyclic process. so automatically dQ=dU. i also attached a short method too.best regards
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