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JEE Main 2014 Physics question

PhysicsMechanical Properties of FluidsJEE Main 2014

The velocity of water in a river is 18 km near the surface. If the river is 5 m deep, find the shearing stress between the horizontal layers of water. The coefficient of viscosity of water = poise.

Answer: (2)

Solution

km/h = 5 m/s and poise = Pa s. Taking the velocity gradient as uniform, $

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Question ID VK-104622