Ncert Exercises & Solutions

The initial state of a certain gas is ( $p_{i}, V_{i}, T_{i}$ ). It undergoes expansion till its volume becomes $V_{f}$ . Consider the following two cases:

(a) the expansion takes place at a constant temperature.

(b) the expansion takes place at constant pressure.

Plot the p-V diagram for each case. In which of the two cases, is the work done by the gas more?

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