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BVP Medical BVP Medical Solved Paper-2010

  • question_answer
    At what temperature is the rms velocity of ahydrogen molecule equal to that of anoxygen molecule at \[47{}^\circ C\]?

    A)  80 K                                      

    B)  -73 K

    C)  3K                                         

    D)  20 K

    Correct Answer: D

    Solution :

                    We know that \[C=\sqrt{\frac{3RT}{M}}\] In the given problem, C and R are constants. \[\frac{T}{M}\]= constant                 \[\frac{T}{2}=\frac{273+47}{32}\] or            \[\frac{T}{2}=\frac{320}{32}=10\] or            \[T=20K\]


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