A diatomic gas, having C_P = 7/2 R and C_V = 5/2 R, is heated at constant pressure. The ratio dU : dQ : dW

(C) 5 : 7 : 2. At constant pressure: dU = nC_VdT, dQ = nC_PdT, dW = nR dT. dU : dQ : dW = 5/2 : 7/2 : 1 = 5 : 7 : 2

Thermodynamics question for JEE Main (JEE Main 2021 (25 Feb, Shift 1)), with solution

Q 11-11-119JEE MainJEE Main 2021 (25 Feb, Shift 1)Easy

A diatomic gas, having $C_P = \frac72 R$ and $C_V = \frac52 R$, is heated at constant pressure. The ratio $dU : dQ : dW$