Which one is the correct option for the two different thermodynamic processes ?

981-668

  • [JEE MAIN 2021]
  • A

    $(c)$ and $(a)$

  • B

    $(c)$ and $(d)$

  • C

    $(a)$ only

  • D

    $(b)$ and $(c)$

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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 $(B)\; \Delta Q=0$
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$(IV)$ Isobaric $(D)\; \Delta U =0$

  • [JEE MAIN 2020]

For adiabatic process, wrong statement is

During the adiabatic expansion of $2 \,moles$ of a gas, the internal energy was found to have decreased by $100 J$. The work done by the gas in this process is ..... $J$