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Assertion: In case of motion of an ideal fluid in a horizontal tube, where the area of cross-section is minimum, pressure is maximum.
Reason: Hydrostatic pressure in different ideal liquids at points of different depth can be same.

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Important Questions on Mechanical Properties of Fluids

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Water is flowing continuously from a tap having an internal diameter 8×10-3 m. The water velocity as it leaves the tap is 0.4 m/s. The diameter of the water stream at a distance 2×10-1 m below the tap is close to
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Agniveer Vayu
IMPORTANT
Bernoulli's equation is applicable to points 
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Agniveer Vayu
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In the figure (in the vertical plane) shown an ideal liquid is flowing through the tube which is of uniform area of cross-section. The liquid has velocities vA and vB and pressure PA and PB at points A and B respectively. Then,
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Agniveer Vayu
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In old age arteries carrying blood in the human body become narrow resulting in an increase in the blood pressure. This follows from
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Agniveer Vayu
IMPORTANT

A fixed cylindrical tank having large cross-sectional area is filled with two liquids of densities ρ and 2ρ and in equal volumes as shown in the figure. A small hole of area of cross-section a is made at height h2 from the bottom. Calculate the velocity of efflux.

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Agniveer Vayu
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In airfoil, the streamlines are crowded above the wings of aeroplane more than those below it. This causes (during take off)