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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    The kinetic energy of one mole gas at 300 K temperature, is E. At 400 K temperature kinetic energy is \[E.\] The value of \[E/E\] is:

    A)  1.33                      

    B)         \[\sqrt{\left( \frac{4}{3} \right)}\]

    C)  \[\frac{16}{9}\]               

    D)         2

    Correct Answer: A

    Solution :

    The kinetic energy of gas \[E=\frac{3}{2}nkT\] \[\therefore \]                  \[E\propto T\] \[\therefore \]                  \[\frac{E}{E}=\frac{T}{T}=\frac{400}{300}\] \[\Rightarrow \]                               \[\frac{E}{E}=\frac{4}{3}=1.33\]


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