A U-tube manometer is closed at both ends one end is vacuum and other end has a

Question

A U-tube manometer is closed at both ends one end is vacuum and other end has a gas, if the difference in level of mercury is h = 10 mm, what is the pressure of gas?

Options:

A . 1.33 Pa

B . 1.45 Pa

C . 1.56 Pa

D . 1.75 Pa

Answer: Option A
Answer: (a).1.33 Pa

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