Define enthalpy of fusion. Derive an expression for the maximum work.

Derive an expression for pressure- volume work.

Define latent heat of fusion.

Define potential energy. Derive an expression for the potential energy of a body of mass m, at a height h above the surface of the Earth.

Derive an expression for fluid pressure.

Define critical speed of a satellite. Derive an expression for it.

Define orbital velocity. Derive an expression for the orbital velocity of a satellite revolving around a planet

Define Capillarity and angle of contact. Derive an expression for the ascent of a liquid in a capillary tube.

Define latent heat of fusion. Give its value for ice.

Define protoplast fusion. Give one example.

Define kinetic energy. Derive an expression for the kinetic energy of a body moving with a uniform velocity.