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BVP Medical BVP Medical Solved Paper-2008

  • question_answer
    If pressure of a gas contained in a closed vessel is increased by 0.4% when heated by \[1{}^\circ C\], its initial temperature must be

    A) 250 K                                    

    B) \[250{}^\circ C\]

    C) 2500 K                                  

    D) \[25{}^\circ C\]

    Correct Answer: A

    Solution :

                    \[\frac{pV}{T}=\] constant; V = constant \[\therefore \]  \[\frac{\text{P}}{\text{T}}\text{=constant}\] \[\therefore \]  \[\frac{P}{T}=\frac{100.4P}{100}\times \frac{1}{(T+1)}\]                 \[\frac{1}{T}=\frac{100.4}{100}\times \frac{1}{(T+1)}\]                 \[\frac{1}{T}=\frac{100.4}{100.T+100}\]                 \[T=250K\]


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