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प्रश्न
An incompressible liquid is flowing through a uniform cross-sectional tube with a velocity 12 cm/ s. If the thickness of liquid layer is 0.8 cm, what is the velocity gradient of that flow of liquid?
एका वाक्यात उत्तर
उत्तर
Velocity gradient,
`(dv)/dx = 12/0.8 = 15 s^-1`
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