Doubt from Entropy Calculation in Thermodynamics

#21

And sorry guys I don't have the answer as this is from embibe and it doesn't provide the answers

#22

No right.
Take two points on an isotherm.
Or another path could consist of a reversible isobaric process and isochoric process.
@Arush_Sharma
Isnt the second example above also reversible path?

#23

No @Arush_Sharma is correct only 1 path exists but we can break it into whichever way we want

#24

You seem to sound right but that's what I learnt. (imo we can't choose the type of reversible process?)
and i don't know if the second one is reversible or not, but in that case the answer should be 3.2R no? which is not an option?

#25

Those new broken paths are also reversible right. @Aarushi_Srivastava

#26

Yeah here in formula we break into small carnot cycles

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#27

Why we can not remeber the future...answer lies the real understanding of ENTROPY...so read between lines...

#28

Remember