Three different processes that can occur in an ideal monoatomic gas are shown in the P vs V diagram. The paths are lebelled as $A \rightarrow B, A \rightarrow C$ and $A \rightarrow D$. The changein internal energies during these process are taken as $E_{A B}$, $\mathrm{E}_{\mathrm{AC}}$ and $\mathrm{E}_{\mathrm{AD}}$ and the workdone as $\mathrm{W}_{\mathrm{AB}}, \mathrm{W}_{\mathrm{AC}}$ and $\mathrm{W}_{\mathrm{AD}}$. The correct relation between these parameters are :

Question:

Three different processes that can occur in an ideal monoatomic gas are shown in the P vs V diagram. The paths are lebelled as $A \rightarrow B, A \rightarrow C$ and $A \rightarrow D$. The changein internal energies during these process are taken as $E_{A B}$, $\mathrm{E}_{\mathrm{AC}}$ and $\mathrm{E}_{\mathrm{AD}}$ and the workdone as $\mathrm{W}_{\mathrm{AB}}, \mathrm{W}_{\mathrm{AC}}$ and $\mathrm{W}_{\mathrm{AD}}$. The correct relation between these parameters are :

  1. $\mathrm{E}_{\mathrm{AB}}=\mathrm{E}_{\mathrm{AC}}<\mathrm{E}_{\mathrm{AD}}, \mathrm{W}_{\mathrm{AB}}>0, \mathrm{~W}_{\mathrm{AC}}=0, \mathrm{~W}_{\mathrm{AD}}<0$

  2. $\mathrm{E}_{\mathrm{AB}}=\mathrm{E}_{\mathrm{AC}}=\mathrm{E}_{\mathrm{AD}}, \mathrm{W}_{\mathrm{AB}}>0, \mathrm{~W}_{\mathrm{AC}}=0, \mathrm{~W}_{\mathrm{AD}}>0$

  3. $\mathrm{E}_{\mathrm{AB}}<\mathrm{E}_{\mathrm{AC}}<\mathrm{E}_{\mathrm{AD}}, \mathrm{W}_{\mathrm{AB}}>0, \mathrm{~W}_{\mathrm{AC}}>\mathrm{W}_{\mathrm{AD}}$

  4. $\mathrm{E}_{\mathrm{AB}}>\mathrm{E}_{\mathrm{AC}}>\mathrm{E}_{\mathrm{AD}}, \mathrm{W}_{\mathrm{AB}}<\mathrm{W}_{\mathrm{AC}}<\mathrm{W}_{\mathrm{AD}}$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Termodynamics chapter.

JEE Main Previous Year 5 Sep. 2020 (I)


Correct Option: 2

Solution:

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