1.

For the manometer set up shown in the figure, the pressure difference PA - PB is given by

A. (ρH - ρair)gH
B. (ρH - ρL)gH
C. (ρH - ρL) gH + (ρL - ρair) . g(L - H)
D. (ρH - ρL) gL + (ρL - ρair)gH
Answer» B. (ρH - ρL)gH


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