Unit - I Properties of Matter and Non-Destructive Testing 1.1 Deforming Force and Restoring Force, Elasticity, Plasticity, Rigidity 1.2 Stress and Strain and their types, Elastic limit and Hooke's law, types of moduli of elasticity 1.3 Stress-Strain diagram, Poisson's ratio, factors affecting elasticity 1.4 Fluid friction, pressure, pressure- depth relation, Pascal's law, Archimedes’ principle 1.5 Viscosity, velocity gradient, Newton's law of viscosity. 1.6 Free fall of spherical body through viscous medium and Stokes’ law, derivation of coefficient of viscosity ' ' by Stokes’ method, effect of temperature and adulteration on viscosity of liquids. 1.7 Non-destructive testing (NDT),Various NDT methods used, Criteria for the selection of NDT method, merits and demerits of NDT Unit - II Types of Motion 2.1 Displacement, velocity, acceleration and retardation, equations of motion, equations of motion under gravity. 2.2 Angular displacement, angular velocity, angular acceleration, three equations of angular motion 2.3 Momentum, impulse, impulsive force, Newton’s laws of motion and their Applications. 2.4 Work, power and energy: potential energy, kinetic energy, work -energy principle. 2.5 Projectile motion, trajectory, angle of projection, time of flight and range of projectile with formulae. Unit - III Photoelectricity, X-Rays and LASERs 3.1 Planck’s hypothesis, properties of photons, Photo electric effect: threshold frequency, threshold wavelength, stopping potential, Work function, characteristics of photoelectric effect, Einstein’s photoelectric equation. 3.2 Photoelectric cell and LDR: principle, working and applications. 3.3 Production of X-rays by modern Coolidge tube, properties and applications. 3.4 Laser : properties, absorption, spontaneous and stimulated emission, applications of Laser 3.5 Population inversion, active medium, optical pumping, three energy level system, He-Ne Laser.
