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NEET Sample Paper NEET Sample Test Paper-44

  • question_answer
    Blood is flowing at the rate of 200cmys in a capillary of cross sectional area 0.5m2. The velocity of flow in mm/s is:

    A) 0.1    

    B)                           0.2    

    C) 0.3                               

    D) 0.4

    Correct Answer: D

    Solution :

    \[\operatorname{Volume} flow rate = Velocity \times  Cross\]sectional area \[200c{{m}^{3}}/s=V\times 0.5{{m}^{2}}\] \[200\times 1{{0}^{-6}}{{m}^{3}} /s=V\times 0.5{{m}^{2}}\] \[\operatorname{V}=400\times 1{{0}^{-6}}/sec\]             \[\operatorname{V}=0.4mm/sec     \left[ \therefore 1m=1{{0}^{3}}mm \right]\]


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