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A ball is thrown downward with some velocity, greater than terminal speed into a viscous liquid. Which of the following curves represents correct variation for velocity versus time?

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Important Questions on Mechanical Properties of Fluids

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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 21
A liquid having coefficient of viscosity 0.02 decapoise is filled in a container of cross-sectional area 20 m2. If viscous drag between two adjacent layers in flowing is 1 N, then velocity gradient is
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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 25
What will be the work done in increasing the radius of soap bubble from r2 to 2r, if surface tension of soap solution is T?
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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 27
The property utilized in the manufacture of lead shots is
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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 28

Two soap bubbles are connected by a tube as shown in figure. What happens when stopper S is removed ?

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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 29
Two soap bubbles of radii 2 cm and 4 cm join to form a double bubble in air, then radius of curvature of interface is
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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 30
A square wire frame of side l is floating on the surface of liquid of surface tension T. The force required to pull out the frame from the liquid is
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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>EXERCISE>Q 32
The value of surface tension of a liquid at critical temperature is
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Gamma Question Bank for Medical Physics>Chapter 10 - Mechanical Properties of Fluids>Assignment>Q 11
SI unit of density is _____ m-3.