Question

Water falls from a tap, down the streamline

A
Area decreases
B
Area increases
C
Velocity remains same
D
Area remains same

Solution

The correct option is A Area decreasesWhen water falls from a tap, down the streamline area decreases due to increase in velocity of liquid as it experiences gravity, i.e., by equation of continuity.$$\boxed { { A }_{ 1 }{ v }_{ 1 }={ A }_{ 2 }{ v }_{ 2 } }$$Physics

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