A U-tube manometer is closed at both ends one end is vacuum and other – McqOptions

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1.	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?
A.	1.33 Pa
B.	1.45 Pa
C.	1.56 Pa
D.	1.75 Pa
Answer» B. 1.45 Pa

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