Surface Energy

Is bubble liquid or gas?

How much work is required to form a bubble of $2 \mathrm{cm}$ radius from the soap solution having surface tension $0.07 \mathrm{N}/\mathrm{m}$?

The amount of energy required to form a soap bubble of radius $2 \mathrm{cm}$ from a soap solution is nearly: (surface tension of soap solution = $0.03 \mathrm{N} {\mathrm{m}}^{-1}$)

A liquid drop has surface energy E. If it breaks into 8 identical drops, the increase in surface energy is

Which of the followings has maximum surface tension?

A water drop of diameter $2 \mathrm{cm}$ is broken into $64$ equal droplets. The surface tension of water is $0.075 \mathrm{N} {\mathrm{m}}^{-1}$. In this process the gain in surface energy will be

Why gases have two elasticities?

Recall the phenomena affected by intermolecular forces.

What is intermolecular forces and examples?

On increasing the temperature, the surface tension of the liquid _________.

In case of water and glass, we get a concave meniscus because the adhesive force between water and glass are _________ than the cohesive forces between water molecules.

Dancing of small pieces of camphor on the surface of water is due to:

Choose the correct option$:$

The $\mathrm{SI}$ unit and the dimensional formula of surface energy is $\_\_\_\_\_$ and $\_\_\_\_\_$ respectively.

What is the $\mathrm{SI}$ unit of surface energy in $\mathrm{C}.\mathrm{G}.\mathrm{S}.$ system?

What is surface energy? Also write its $\mathrm{SI}$ unit.

What is the dimensional formula of surface energy

Derive the dimensional formula of surface energy.

The mercury does not wet the surface of the glass because:

Explain the phenomenon of angle of contact on the basis of sphere of influence.

Explain sphere of influence.