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JEE Main & Advanced Sample Paper JEE Main Sample Paper-47

  • question_answer
    Isothermal expansion of two different ideal gases are shown in same p-V diagram. If number of moles of gases are same and maintained at temperatures \[{{T}_{1}}\], and \[{{T}_{2}}\], then the correct relation between \[{{T}_{1}}\] and \[{{T}_{2}}\] is                                           

    A)  \[{{T}_{1}}>{{T}_{2}}\]              

    B)  \[{{T}_{1}}<{{T}_{2}}\]

    C)  \[{{T}_{1}}={{T}_{2}}\]              

    D)  Cannot be predicted

    Correct Answer: B

    Solution :

     Because p-V curve at \[{{T}_{2}}\] is above than at \[{{T}_{1}}\] and \[pV=nRT,\] so for same number of moles \[{{T}_{2}}>{{T}_{1}}\]


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