Subrat posted an Question
January 09, 2021 • 04:25 am 30 points
  • IIT JAM
  • Physics (PH)

Thermodynamics

(15.) For a diatomic ideal gas near room temperature. What fraction of the heat supplied is available SoATO for external work if the gas is expanded at constant pressure? (A) 5 (B) 3 (C) (D) 6

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    Dhairya sharma Best Answer

    d part Q=nCpdt U=nCvdt w=Q-U first law we need to find w/Q ={Cp-Cv}/Cp Cp for diatomic is 7R/2 and Cp-Cv=R so the answer is 2/7

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    crystal clear mam... ty

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    Dhairya sharma

    Cp for diatomic is 7R/2 and Cp-Cv=R so the answer is 2/7. soo the correct option is d.

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