Calculate the force required to take away a flat circular plate of radius 0.01 m from the surface of water. The surface tension of water is `0.075 ` `N/m`.

The force required to take away a flat circular plate of radius 4 cm from the surface of water is.

A platinum wire ring of radius 2.5 cm floats horizontally on the surface of water. A vertical force of 0.022 N is required to detach the ring from the surface of water. Then surface tension of water is.

Calculate the force required to separate the glass plates of area 10^(-2)m^(2) with a film of water 0.05 mm thickness between them (surface tension of water =70xx10^(-3)N//m) )

Calculate the rise of water inside a clean glass capillary tube of radius 0.1 mm when immersed in water of surface tension 7 xx 10^-2N//m . The angle of contact between water and glass is zero, density of water = 1000 kg//m^3, g = 9.8 m//s^2

A beaker of radius 10 cm is filled with water. Calculate the force of surface tension on any diametrical line on its surface. Surface tension of water is 0.075 N//m .

A beaker of radius 10 cm is filled with water.Calculate the force of surface tension on any diametrical line on its surface. Surface tension of water is 0.075N/m.

The maximum force in addition to the weight required to pull a wire frame 5.0 cm long from a water surface at a temperature of 20^@ C is 720dyne . The surface tension of water is

Calculate the radius of capillary tube if water rise to a height 4.5 cm . Surface tension of water is 72 dyne /cm .