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3. The specific heat at constant pressure and at constant volume for an ideal gas are

The specific heat at constant pressure and at constant volume for an ideal gas are Cp and Cv and its adiabatic and isothermal elasticities are EΦ  and Eθ respectively. The  ratio of EΦ to Eθ  is

(a)  Cv/ Cp                                               (b) Cp / Cv

(c)  Cv  Cp                                            (d)  1/(Cv  Cp 

Answer-b

(12)

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