Water coming out of the mouth of a tap and falling vertically in streamline flow forms a tapering column, i.e., the area of cross-section of the liquid column decreases as it moves down. Which of the following is the most accurate explanation for this
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(c) For the water flowing from tap, using equation of continuity- $A_{1} V_{1}=A_{2} V_{2}$
where $A=$ cross-section area of water
$V=$ velocity of water
As water goes down its velocity increases due to gravitational force so cross$-$sectional area will decrease as velocity increases.
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