Explain the terms :
(i) Viscosity
(ii) Vapour pressure
(iii) Boiling point temperature.

Explain the terms (i) stress, (ii) strain.

Explain the term root pressure.

Explain the term constant boiling mixture.

Explain the terms (i) molecular range (ii) sphere of influence.

Explain the following terms in relation to orbitals : (i) Node (ii) Nodal point

Why is the vapour pressure of liquid constant at a constant temperature ?

Explain the term vapour pressure. How is vapour pressure of a liquid influenced by altitude ? Discuss ?

How many of the following physical properties are extensive: (i) Free energy (ii) vapour pressure (iii) mole (iv) kinetic energy (v) Entropy (vi) Internal energy (vii) Enthalpy (viii) specific heat capacity (ix) Coefficient of viscosity

Explain the terms (i) fundamental frequency (ii) harmonics and (iii) overtones.

Explain the terms (i) Attenuation and (ii) Demodulation used in Communication System.