NEET Sample Paper NEET Sample Test Paper-19

  • question_answer An incompressible liquid flows through a horizontal tube as shown in the adjoining figure. Then the velocity v of the fluid is:

    A)  3.0 m/s                       

    B)  1.5 m/s

    C)  1.0 m/s           

    D)  2.25 m/s

    Correct Answer: C

    Solution :

    \[AV={{A}_{1}}{{V}_{1}}+{{A}_{2}}{{V}_{2}}\] \[\therefore \]\[A(3)=A(1.5)+1.5Ax({{V}_{2}})\] \[\therefore \]\[{{V}_{2}}=1.0\,m/s.\] Hence, the correction option is [c].

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