Question

A U-tube has uniform cross section and has a lower portion in shape of a
quarter circle of radius 0.1 m. A valve is provided at the right tube as show
Water is filled such that the height of the liquid column in the left tube is 0.2
and water is filled upto the closed valve in the right tube. The valve is sudde
opened. The pressure at the lowest point (A) immediately after
opening the value is
10 cm
valve
10​

Answer 1

Explanation:

The U-tube shown has a uniform cross-section. A liquid is filled in the two arms up to heights h

1

and h

2

, and then the liquid is allowed to move. Neglect viscosity and surface tension. When the levels equalize in the two arms, the liquid will-

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