A gas can be taken from A to B via two different processes ACB and ADB . When path ACB is used 60   J…

A gas can be taken from $\mathrm{A}$ to $\mathrm{B}$ via two different processes $\mathrm{ACB}$ and $\mathrm{ADB}$.



When path $\mathrm{ACB}$ is used $60 \mathrm{J}$ of heat flows into the system and $30 \mathrm{J}$ of work is done by the system. If the path $\mathrm{ADB}$ is used then work done by the system is $10\mathrm{ }\mathrm{J}$, the heat flows into the system in the path $\mathrm{ADB}$ is:

1. $100\mathrm{ }\mathrm{J}$
2. $20\mathrm{ }\mathrm{J}$
3. $40\mathrm{ }\mathrm{J}$
4. $80 J$

Solution

Asked in: JEE Main 2019 (09 Jan Shift 1)

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