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AIIMS AIIMS Solved Paper-2006

  • question_answer
    By sucking through a straw, a student can reduce the pressure in his lungs to 750 mm of Hg (density \[=13.6\,g/c{{m}^{3}}\]). Using the straw, I he can drink water from a glass up to a maximum depth of:

    A) 10cm      

    B)                       75cm                    

    C)       13.6cm                 

    D)       1.36cm

    Correct Answer: C

    Solution :

    Pressure difference between lungs of student and atmosphere = (760 - 750) mm of Hg i.e., hdg = 10 mm of Hg = 1 cm of Hg or        \[h\times 1=1\times 13.6\] \[\therefore \]   \[h=13.6cm\]


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