Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A vertical U tube of uniform cross section contains mercury in both of its arms. A glycerine (d=1.3g/cm3) column of length 10cm is introduced into one of the arms. Oil of density 0.8g/cm3 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. Densit of mercury is 13.6g/cm3.

A vertical U tube of uniform cross section contains mercury in both of its arms. A glycerine (d=1.3g/cm3) column of length 10cm is introduced into one of the arms. Oil of density 0.8g/cm3 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. Densit of mercury is 13.6g/cm3.

Figure shows an open tube which contains some water and a less dense liquid poured ino the right hand side. If the density of the unknown liquid is ρx show that ρx=ρwhwhx