Find the difference in levels of mercury in the limbs of a U-tube if the diameter fo
Channel: Doubtnut
Date: 2020-08-30

Find the difference in levels of mercury in the limbs of a U-tube if the diameter fo bore of one limb is 1mm and of the other 4mm. The surface tension of mercury is `544 xx 10^(-3) "Nm"^(-1)` its density is `13.6 xx 10^(3) "kg"  m^(-3)` and angle of contact is `130^(@).`