A Closed U-tube manometer has a gas at one end and vacuum at other end, if the h

Question

A Closed U-tube manometer has a gas at one end and vacuum at other end, if the height difference of the liquid (density = 10 kg/m³) in the manometer in 5 cm, what is the pressure of the gas?

Options:

A . 10 N/m²

B . 5 N/m²

C . 2.5 N/m²

D . 1 N/m²

Answer: Option B
Answer: (b).5 N/m²

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