A rectangular glass plate of dimensions 5 cm `xx` 4 cm is placed flat on the surface of water. Find the downward force on the plate due to surface tension. Given surface tension of water = 0.073 N `m^(-1)`

A circular plate of radius 4 cm and weight W is made to rest on the surface of water. If a minimum pull of W + F is required to clear the plate off the water surface then find F. Given surface tension of water S_(w) = 0.072 N m^(-1)

Find the excess pressure inside a liquid drop of radius 2 cm, if the surface tension of water is 0.073 N m^(-1)

A 5.0 cm long straight piece of thread is kept on the surface of water. Find the force with which the surface on one side of the thread pulls it. Surface tension of water =0.076Nm^-1

Find out work done to expend soup bobble to radius R = 5 cm (surface tension of water = 0.1 N/m)

A wire of mass 1g is kept horizontally on the surface of water. The length of the wire that does not break the surface film is (surface tension of water is 70dyne cm^-1 )

Calculate the force required to take away a flat circular plate of radius 0.02m from the surface of water. The surface tension of water is 0.07 Nm^(-1)

Water is kept in a beaker of radius 5.0 cm. Consider a diameter of the beaker on the surface of the water. Find the force by which the surface on one side of the diameter pulls the surface on the other side. Surface tension of water =0.075Nm^-1 .

The pressure inside an air bubble of radius 2 cm formed 20 cm below an open water surface is (Given surface tension of water = 70 xx 10^(-3) Nm^(-1) )

A liquid is kept in a beaker of radius 4 cm. Consider a diameter of the beaker on the surface of the water. Find the force by which the surface on one side of the diameter pulls the surface on the other side. Surface tension of liquid =0.075 Nm^(-1)

Find the surface energy of water kept in a cylindrical vessel of radius 6.0 cm. Surface tension of water =0.075Jm^-2 .