A) increase on sides
B) increase downwards
C) increase in all directions
D) never increase
Correct Answer: C
Solution :
Key Idea: Pressure charge is independent of height. From Pascal's principle which was stated in 1652 by Blaise Pascal, according to which a change in pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and to the walls of its container. This pressure charge is independent of height. Hence, on blowing air through a closed pipe containing liquid, pressure will increase in all directions.
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