A gas at initial temperature $T$ undergoes sudden expansion from volume $V$ to $2 \,V$. Then,
A gas at initial temperature $T$ undergoes sudden expansion from volume $V$ to $2 \,V$. Then,
- [KVPY 2016]
- A
the process is adiabatic
- B
the process is isothermal
- C
the work done in this process is $n R T \ln _{e}(2)$, where $n$ is the number of moles of the gas
- D
the entropy in the process does not change
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- [AIPMT 2010]
A certain mass of gas at $273 K$ is expanded to $81$ times its volume under adiabatic condition. If $\gamma = 1.25$ for the gas, then its final temperature is ..... $^oC$
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Match the thermodynamic processes taking place in a system with the correct conditions. In the table: $\Delta Q$ is the heat supplied, $\Delta W$ is the work done and $\Delta U$ is change in internal energy of the system
Process
Condition
$(I)$ Adiabatic
$(A)\; \Delta W =0$
$(II)$ Isothermal
$(B)\; \Delta Q=0$
$(III)$ Isochoric
$(C)\; \Delta U \neq 0, \Delta W \neq 0 \Delta Q \neq 0$
$(IV)$ Isobaric
$(D)\; \Delta U =0$
Match the thermodynamic processes taking place in a system with the correct conditions. In the table: $\Delta Q$ is the heat supplied, $\Delta W$ is the work done and $\Delta U$ is change in internal energy of the system
| Process | Condition |
| $(I)$ Adiabatic | $(A)\; \Delta W =0$ |
| $(II)$ Isothermal | $(B)\; \Delta Q=0$ |
| $(III)$ Isochoric | $(C)\; \Delta U \neq 0, \Delta W \neq 0 \Delta Q \neq 0$ |
| $(IV)$ Isobaric | $(D)\; \Delta U =0$ |
- [JEE MAIN 2020]