Following figure shows two processes A and B for a gas. If Δ Q_A and Δ Q_B are the amount of heat...

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Following figure shows two processes A and B for a gas. If Δ Q_A and Δ Q_B are the amount of heat absorbed by the system in two cases, and Δ U_A and Δ U_B are changes in internal energies respectively, then
(2019 Main, 9 April I)
(a) Δ Q_AΔ Q_B, Δ U_AΔ U_B
(b) Δ Q_AΔ Q_B, Δ U_AΔ U_B
(c) Δ Q_AΔ Q_B, Δ U_A=Δ U_B
(d) Δ Q_A=Δ Q_B ; Δ U_A=Δ U_B

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