An open U-tube of vertical limbs contains oil of specific gravity 0.8 and surface tension 28 dynecm^(-1). The radii of limbs are 1mm and 4 mm. If the angle of contact is assumed 0^(@), calculate the difference of levels of oils in the limbs.

An open U-tube of vertical limbs contains oil of specific gravity 0.8

1.	An open U-tube of vertical limbs contains oil of specific gravity 0.8 and surface tension 28 dynecm^(-1). The radii of limbs are 1mm and 4 mm. If the angle of contact is assumed 0^(@), calculate the difference of levels of oils in the limbs.
Answer» ANSWER :0.5357 CM