Question

Match the column

$\begin{array}{cccc}& \text{Column - I}& & \text{Column - II}\\ \text{(a)}& \text{Reversible cooling of an ideal gas at}& \text{(P)}& w=0;q<0;\Delta U<0\\ & \text{constant volume}& & \\ \text{(b)}& \text{Reversible isothermal expansion of an}& \text{(Q)}& w<0;q>0;\Delta U>0\\ & \text{ideal gas}& & \\ \text{(c)}& \text{Adiabatic expansion of non-ideal gas into}& \text{(R)}& w=0;q=0;\Delta U=0\\ & \text{vacuum}& & \\ \text{(d)}& \text{Reversible melting of sulphur at normal}& \text{(S)}& w<0;q>0;\Delta U=0\\ & \text{melting point}& & \end{array}$

• A. a - P; b - S; c - R; d - Q
• B. a - P; b - Q; c - S; d - R
• C. a - R; b - S; c - Q; d - P
• D. a - Q; b - R; c - S; d - P

Answer 1

The correct option is A a - P; b - S; c - R; d - Q

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