A capillary tube of radius 0.5 mm is dipped vertically in a liquid of surface tension 0.04 N/m and density 0.8 g/cc. Calculate the height of the capillary rise, if the angle of contact is 10°. (cos 10° = 0.98, g = 9.8 m/s2)
1
2 cm
2
4 cm
3
20 cm
4
10 cm