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Q.
For which of the following processes is the entropy change zero?
BVP MedicalBVP Medical 2009
Solution:
The change in entropy ie, $ dS=\frac{heat\,absorbed\,by\,system}{absolute\,tempertaure} $ or $ dS=\frac{dQ}{T} $ $ dQ=0 $ for adiabatic process. Therefore, entropy change is zero for adiabatic process.