BVP Medical BVP Medical Solved Paper-2014

  • question_answer
    When a van der Waals gas undergoes free expansion, then its temperature

    A)  decreases

    B)  increases

    C)  does not change

    D)  depends upon the nature of the gas  

    Correct Answer: A

    Solution :

                    van der Waals gases are real gases and whenever a real gas undergoes free expansion, it released heat. Hence, due to loss of heat its temperature decreases.


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