For an isothermal reversible expansion process,the value of $q$ can be calculated by the expression
- A$q = 2.303 \ nRT \ \log \ \frac{V_2}{V_1}$
- B$q = -2.303 \ nRT \ \log \ \frac{V_2}{V_1}$
- C$q = - 2.303 \ nR \ \log \ \frac{V_1}{V_2}$
- D$q = - P_{\text{exp}} \ nRT \ \log \ \frac{V_1}{V_2}$
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