Question

Water is filled in a cylindrical tube having diameter
1 mm and length 50 cm. If surface tension of water
is 0.055 N/m, then find pressure difference across
meniscus of water in container.

(1) 220 N/m
(2) 110 N/m
(3) 45 N/m
(4) 440 N/m​

Answer 1

Answer:

220 N/m

(2) 110 N/m

(3) 45 N/m

(4) 440 N/mone limb is 3.0 mm and that of the other is 6.00 mm. The tube

is inverted vertically with the open ends below the surface of

water in a beaker. What is the difference between the heights

to which water rises in the two limbs ? Surface tension of

water is 0.07 Nm. Assume that the angle of contact.