A drop of water 1mm radius is split into 64tiny drops. Find the increase in surface energy.[`S=72xx10^-3 Nm^-1`]

Calculate the energy spent in sprying a drop of mercury of 1 cm radius into 10^6 droplets of same size.[ surface tension of mercury is 35xx10^-3 Nm^-1 ]

Calculate the amount of energy neeeded to break a drop of water of diameter 2xx 10^-3 m into 10^9 droplets of equal size( Surface tension of water = 72xx 10^-31 N/m .

What change of surface energy will be noticed when a drop of radius R splits into 1000 droplets radius r, surface tension being T

Calculate the depth of water at which an air bubble of radius 4xx10^-4 m may remain in equilibrium( surface tension = 70xx10^-3 N/m).

A soap buble is slowing enlarged from a radius of 0.01 m to 0.1 m. Calculate the work done in the process[S= 26xx10^-3 N/m].

A long capillary tube with both ends open is filled with water and set in a vertical position. What will be the height of column of water remaining in the tube? The radius of the tube is 1mm and surface tension of water is 0.07 newton/meter.

2m/copper wire of length applying force length increase by 1mm. If the energy of the wire is converted to heat energy, calculate the increasing temp^n of the wire.(Y= 12.5 × 10^10 N/m^2; ρ = 9 × 10^3 kg /m^3 ; s = 385 J/kg – K)

Calculate the amount of work done for a wire which area of cross section 10^-6m^2 and length 1.5m to increase the length 4 xx 10^-3 m. Young's modules of elasticity 2 xx 10^(11N//m^2) .

The capillary rise in a tube of diameter 1mm when surface tension of water is 0.06 Nm^-1 is

What is the pressure inside the drop of mercury of radius 3.00 mm at room temperature? Surface tension of mercury at that temperature (20^@C) is 4.65 xx 10^-1 N m^-1 . The atmospheric pressure is 1.01 xx10^-5 Pa. Also give the excess pressure inside the drop.