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A liquid flows through a horizontal tube...

A liquid flows through a horizontal tube as shown in figure. The velocities of the liquid in the two sections, which have areas of cross-section `A_(1)` and `A_(2)` and `v_(1)` and `v_(2)` respectively. The differnece in the levels of the liquid in the two vertical tubes is `h`. then

A

the volume of the liquid flowing through the tube in unit time is `A_(1) Y_(1)`

B

`v_(2) - v_(1) = sqrt(2 gh )`

C

`v_(2)^(2) - v_(1)^(2) = 2 gh `

D

the energy per unit mass of the liquid is the same in both sections of the tube .

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The correct Answer is:
A, C, D
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