Calculate the amount of energy evolved when eight drplets of mercury (surface tension `0.55Nm^(-1)`) of radius 1 mm each combine into one.

Calculate the amount of energy evolved when 8 droplets of water (Surface tension 0.072 N m^-1) of radius 1/2 mm each combines into one.

Calculate the energy evolved when 8 droplets of water (surface tension 0.072 Nm^(-1) ) of radius 1.2 mm each combine into one.

Calculate the amount of energy evolved when 8 droplets of water ( surface tension of water =0.072 Nm^(-1) ) of radius 1//2 mm each combine into one.

Calculate the amount of energy evolved when 8 droplets of water ("surface tension" =7 2 "dyne"" "cm^(-1)) of radius 0.5 mm each combine into one.

Calculate the work done in blowing a soap bubble slowly of surface tension 0.08Nm^(-1) from to a radius of 0.08 m.

Find the amount of work done in blowing a soap bubble of surface tension 0.06 Nm^-1 from 2 cm radius to 5 cm radius.

Calculate the amount of energy dissipated when 8 drops of water of 0.3 mm radius coalesce from one big drop surface tension of water is 7.2xx10^(-2)Nm^(-1) .

Calculate the work done when a spherical drop of mercury of radius 1 mm falls from some height and breaks into 27droplets.each of the the same size. The surface tension of mermcury is T= 0.47 N/m.

Mercury in a capillary tube is depressed by 1.16cm. The diameter of the capillary tube is 1mm. Calculate the angle of contact of mercury with the glass if the surface tension of mercury is 54 xx 10Nm^(-1) and its density is 13.6 xx 10^(3) kg m^(-3) .

Calculate the work done in breaking a mercury drop of radius 1mm into one thousand droplets of the same size. Surface tension of mercury is 525 xx 10^-3 N//m .