JEE Main & Advanced AIEEE Solved Paper-2006

  • question_answer
    An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If\[{{T}_{i}}\]is the initial temperature and\[{{T}_{f}}\]is the final temperature, which of the following statements is correct?     AIEEE  Solved  Paper-2006

    A) \[{{({{T}_{f}})}_{irrev}}>{{({{T}_{f}})}_{rev}}\]

    B) \[{{T}_{f}}>{{T}_{i}}\]for reversible process but\[{{T}_{f}}={{T}_{i}}\]for irreversible process

    C) \[{{({{T}_{f}})}_{rev}}={{({{T}_{i}})}_{irrev}}\]

    D) \[{{T}_{f}}={{T}_{i}}\]for both reversible and irreversible processes

    Correct Answer: A

    Solution :

    \[{{T}_{f(irreversible)}}>{{T}_{f(reversible)}}\] It is an adiabatic expansion and\[{{W}_{(rev)}}\]is maximum.


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