Give the definition of electric potential.

Give the definition of electron affinity and electronegativity. Write their differences.

Definition of set

Give the definition of mutually exclusive events.

Give the definition of isothermal and adiabatic change.

Give the definition of growth. Describe the fertilization of a flowering plant.

Give the definitions of normal density and vapour density of gaseous substances.

Give the definition of photoelectric threshold frequency and stopping, potential. Draw the variation of stopping potential vs. incident frequency

Give the definition of coefficient of restitution .Prove that for perfect elastic collision of two bodies moving in the same line , the kinetic energy is conserved.

Write the definition of entropy.