In figure given two processes A and B are shown by which a thermo-dynamical system goes from initial

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11.Thermodynamics

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In the figure given two processes $A$ and $B$ are shown by which a thermo-dynamical system goes from initial to final state $F.$ If $\Delta {Q_A}$ and $\Delta {Q_B}$ are respectively the heats supplied to the systems then

A

$\Delta {Q_A} = \Delta {Q_B}$

B

$\Delta {Q_A} \ge \Delta {Q_B}$

C

$\Delta {Q_A} < \Delta {Q_B}$

D

$\Delta {Q_A} > \Delta {Q_B}$

Solution

(d) $\Delta Q = \Delta U + \Delta W;$ $\Delta U$ does not depend upon path.

$\because \Delta {W_A} > \Delta {W_B}$ ==> $\Delta {Q_A} > \Delta {Q_B}$

Standard 11

Physics

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