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Water is flowing through a long horizont...

Water is flowing through a long horizontal tube. Let `P_(A)` & `P_(B)` be the pressure at two points A & B of the tube

A

`P_(A)` must be equal to `P_(B)`

B

`P_(A)` must be greater than `P_(B)`

C

`P_(A)` must be smaller than `P_(B)`

D

`P_(A) = P_(B)` only of the cross-sectional area at A & B are equal.

Text Solution

Verified by Experts

The correct Answer is:
D
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