A cyclic process $ABCD$ is shown in the $p-V$ diagram. Which of the following curves represents the same process if $BC \& DA$ are isothermal processes
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Two identical vessels $A \& B$ contain equal amount of ideal monoatomic gas. The piston of $A$ is fixed but that of $B$ is free. Same amount of heat is absorbed by$A \& B$. If $B'$s internal energy increases by $100 \,\,J$ the change in internal energy of $A$ is ...... .$J$
Carbon monoxide is carried around a closed cycle $abc$ in which bc is an isothermal process as shown in the figure. The gas absorbs $7000 J$ of heat as its temperature increases from $300 K$ to $1000 K$ in going from $a$ to $b$. The quantity of heat rejected by the gas during the process $ca$ is ..... $J$
A Carnot engine operates between two reservoirs of temperatures $900\; \mathrm{K}$ and $300 \;\mathrm{K}$ The engine performs $1200\; \mathrm{J}$ of work per cycle. The heat energy (in $\mathrm{J}$ ) delivered by the engine to the low temperature reservoir, in a cycle. is