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A non viscous liquid is flowing through ...

A non viscous liquid is flowing through a frictionless duct, cross-section varying as shown in figure.

Which of the following graph represents the variation of pressure p along the axis of tube ?

A

B

C

D

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The correct Answer is:
B
As we know according to equation of continuity, when cross-section of duct decreases, the velocity of flow of liquid increases and in accordance with Bernoullis therem in a horizontal pipe. Gh=raph (b) correctly repersents the variation of pressure.
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