A capillary tube of radius 1 mm is 10cm long. What maximum height of water it can hold if it is immersed in water upto 5cm and then taken out of it ? (Surface Tension of water = 98 dynes/cm)
h = 2T/rdg
h = (2*98)/(0.005*1000*10)
= 3.92 cm
that is approximately equal to 4 cm.
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