WebThe pressure difference measured by a vertical U-Tube manometer can be calculated as pd = γ h = ρ g h (1) where pd = pressure (Pa, N/m2, lb/ft2) γ = ρ g = specific weight of liquid in the tube (kN/m3, lb/ft3 ) ρ = U-tube liquid … WebDec 2, 2024 · Contact angle for water with glass is $0^\circ$ and it is $140^\circ$ for mercury with glass. So $\cos\theta$ term is positive for water and negative for mercury, and so, water rises and mercury falls in a capillary tube. I understood the mechanism due to which the level rises or falls in a capillary tube.
Physics 2 Ch12 Problems - UC Santa Barbara
WebSuppose you do a force balance on the portion of the fluid situated between elevations z and z + Δ z in the left column. You get: (1) p ( z + Δ z) S − p ( z) S + ρ g S Δ z = ρ S Δ z d v d t. where v. (2) v = − d x d t. approaches zero, we obtain: (3) ∂ p ∂ z + ρ g = − ρ d 2 x d t 2. (4) ∂ p ∂ y = − ρ d 2 x d t 2. WebA U-shaped tube open to the air at both ends contains some mercury. A quantity of water is carefully poured into the left arm of the U-shaped tube until the vertical height of the … order from costco
A vertical `U` tube of uniform cross section contains mercury in …
WebMay 24, 2024 · A vertical `U` tube of uniform cross section contains mercury in both of its arms. A glycerine `(d=1.3g//cm^(3))` column of length `10 cm` is introduced into one of the arms. Oil of density `0.8g//cm^(3)` is poured in the other arm until the upper surfaces of the oil and glycerine are in the same horizontal level. Find the length of oil column. WebNov 23, 2024 · An evacuated tube has its open end submerged in an open container of mercury. The pressure exerted by the column of mercury is balanced by the pressure of the atmosphere. The glass tube is calibrated in pressure units. Any liquid could be used in a barometer, but mercury is used because of its high specific gravity. Web A vertical U-tube of uniform inner cross section contains mercury in both sides of its arms. A glycerin (density =1.3 g cm3 column of length 10 cm is introduced into one of its arms. Oil of density 0.8 g cm3 is poured into the other arm until the upper surfaces of the oil and glycerin are in the same horizontal level. iready glitch coin