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Physics-

General

Easy

Question

A liquid flows through a horizontal tube. The velocities of the liquid in the two sections, which have areas of cross– section $A subscript 1 end subscript$ and $A subscript 2 end subscript$ , are $v subscript 1 end subscript$ and $v subscript 2 end subscript$ respectively. The difference in the levels of the liquid in the two vertical tubes is h–

The volume of the liquid flowing through the tube in unit time is $A_{1} V_{1}$
$v_{2} - v_{1} = \sqrt{2 g h}$
$v_{2}^{2} - v_{1}^{2} = 2 g h$
The energy per unit mass of the liquid is the same in both sections of the tube

The correct answer is: The volume of the liquid flowing through the tube in unit time is $A subscript 1 end subscript V subscript 1 end subscript$

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