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 .

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

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.

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 energy of a photon of wavelength 6 xx 10^(-5) cm.

Calculate the excess of pressure in a soap bubble of radius 3xx10^-3 m surface tension of the soap solution is 20xx10^-3 N/m.

What is the excess pressure in a soap bubble of radius 10 mm, if surface tension is 25 Xx 10^-2 N/m?

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).

Mercury has an angle of contact equal to 140^@ with soda lime glass. A narrow tube of radius 1.00 mm made of this glass is dipped in a trough containing mefcury. By what amount does the mercury dip down in the tube relative to the liquid surface outside? Surface tension of mercury at the temperature of the experiment is 0.465 N m^-1 . Density of mercury = 13.6 xx 10^3 kg m^-3

Calculate the work done in blowing o soap bubble of radius 5 cm(surface tension of soap solution= 3xx10^-2 N/m).