Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: work done in heat processes
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Siddhartha Gupta (134)

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I guess sagar's (sir) answer is correct ...the graphs are like:


 


isobaric: (PV graph)


http://www.st-ansgar.k12.ia.us/SCHWIESOW/Science/Physics/notes/images/isobaric.gif


here, work is maximum coz area under line is maximum .


Isothermal and Adiabatic:


 


http://www.ux1.eiu.edu/~cfadd/1150/14Thermo/Images/graph02.gif


 


Clearly , the Isothermal curve occupies more area .


 


& for Isochoric process:


 


http://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Wykres_P-V_przemiany_izochorycznej.svg/600px-Wykres_P-V_przemiany_izochorycznej.svg.png


 


Here , area is zero coz is zero, so work is zero ...


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