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Mechanical Properties of Fluids

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Physics Part II

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Physics

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
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 Fill in the blanks using the words from the list appended with each statement:

For a fluid in steady flow, the increase in flow speed at a constriction follows from .............while the decrease of pressure there follows from ................. (conservation of mass/Bernoulli's equation).

Conservation of mass,

Bernoulli's equation.

289 Views

Fill in the blanks using the words from the list appended with each statement:

For the model of a plane in a wind tunnel turbulence occurs at a .................. speed than the critical speed for turbulence for an actual plane. (greater/smaller)

Greater.
204 Views

Explain why?

The blood pressure in humans is greater at the feet than at the brain. 


The height column of blood is more at feet than at the brain. So, blood pressure is greater at feet than at the brain. 
593 Views

Fill in the blanks using the words from the list appended with each statement:

For solids with elastic modulus of rigidity, the shearing force is proportional to ............ while for fluids it is proportional to ............... (shear strain/rate of shear strain).

Shear strain
, rate of shear strain.
234 Views

Surface tension of liquids generally ....... with the temperature. (increases/decreases). 

Decreases.
209 Views