Unit 1
MotionMotion in 1D; vectors, motion in 2D & 3D, projectile and uniform circular motion; relative motion and relative velocity.Force, mass, Newtons laws, inertial mass, examples of forces, free body diagram analysis for simple applications; friction and contact forces, drag force and terminal speed, uniform circular motion.
Unit 2
Work, Energy, CollisionsWork, kinetic energy, work-kinetic energy theorem, work done by gravitational and spring forces, power; Work and potential energy, conservative forces, conservation of mechanical energy, potential energy curve; Center of mass, Newtons law for system of particles, linear momentum and its conservation.
Unit 3
Wave motionWave motion: Simple Harmonic Oscillation (SHO), differential equation for SHO and its general solution, super position of two or more SHOs, Damped and forced oscillators, resonance. Wave equation, travelling and standing waves in one dimension, energy density and energy transmission in waves, Group velocity and phase velocity.
Unit 4
Geometrical OpticsReview of Geometrical Optics: Fermats principle, laws of reflection and refraction from Fermats principle. Refraction at a spherical surface, Linear and lateral magnifications, Refraction through a thick lens. Focal lengths of thick and thin lenses. Combination of two lenses. Cardinal points.Interference: Wave nature of light, Spatial and temporal coherence, coherent sources, interference of light by division of wave front: Fresnels biprism, interference of light by division of amplitude: interference in thin films
Unit 5
Fiber OpticsFiber optics: Introduction to optical fiber, the numerical aperture, coherent bundle, pulse dispersion in step index fiber, graded index fiber, single mode fiber, multimode fiber, fiber optic sensors – examples – fiber optic communication (qualitative), Advantages of fiber optic communication system.