Physics
Fluid-Mechanics
Easy
Question
A manometer connected to a closed tap reads 
. When the valve is opened, the reading of manometer falls to 
, then velocity of flow of water is
- 100 m / s
- 10 m / s
- 1 m / s
The correct answer is: 10 m / s
Bernoulli i's theorem for unit mass of liquid 
constant
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