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JEE Main & Advanced Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Self Evaluation Test - Mechanical Properties of Fluids

  • question_answer
    The relative velocity of two parallel layers of water is 8 cm/sec. If the perpendicular distance between the layers is 0.1 cm. Then velocity gradient will be

    A) 80/sec

    B) 60/sec

    C) 50/sec

    D) 40/sec

    Correct Answer: A

    Solution :

    [a] \[dv=8cm/s\]and \[dx=0.1cm\] Velocity gradient =\[\frac{dv}{dx}=\frac{8}{0.1}=80/s\]


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