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JEE Main & Advanced Physics Thermodynamical Processes Question Bank Isothermal Process

  • question_answer
    A thermally insulated container is divided into two parts by a screen. In one part the pressure and temperature are P and T for an ideal gas filled. In the second part it is vacuum. If now a small hole is created in the screen, then the temperature of the gas will                                        [RPET 1999]

    A)            Decrease                               

    B)            Increase

    C)            Remain same                       

    D)            None of the above

    Correct Answer: C

    Solution :

               This is the case of free expansion of gas. In free expansion \[\Delta U=0\]Þ Temp. remains same.


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