# BASIC PHYSICS (GROUP-2) (3300005)

Syllabus

Sr. Topics Teaching Hours Module Weightage
1
Unit – I
1.1 Need of measurement and unit in engineering and science, definition of unit , requirements of standard unit, systems of units-CGS,MKS and SI, fundamental and derived quantities and their units
1.2 Least count and range of instrument, least count of vernier caliper, micrometer screw gauge
1.3 Definition of accuracy, precision and error, estimation of errors - absolute error, relative error and percentage error, rules and identification of significant figures. (Numerical on above topics)
2
Unit– II
2.1 Concept of charge, Coulomb's inverse square law, Electric field, intensity, potential and potential difference.
2.2 Electric current, Ohm's law, laws of series and parallel combination of resistance
2.3 D.C. circuits, Kirchhoff’s law, heating effect & chemical effect of current
(Numericals on above topics)
3
Unit– III
3.1 Magnetic field and its units, magnetic intensity, magnetic lines of force, magnetic flux and their units
3.2 Dia, Para, Ferro magnetic materials
3.3 Electromagnetic Induction, Lenz’s law and its Applications, Alternating current and its waveform
4
Unit– IV
4.1 Conductors, Insulators and Semiconductors, Energy bands, intrinsic and extrinsic semiconductors, Temperature dependence of conductivity, Superconductivity
4.2 p-n junction diode and its characteristics, Rectifier circuits - Full wave, half wave and bridge rectifiers (no design)
4.3 semiconductor transistor pnp and npn and their characteristics, transistor operation in CE mode, relation of current gain
4.4 Introduction to nanotechnology
5
Unit– V
Definition of wave motion, amplitude, period, frequency, and wavelength, relation between velocity, frequency and wavelength, longitudinal and transverse wave, principle of superposition of waves, definition of stationary wave , node and antinode, definition of resonance with examples, Formula for velocity of sound in air Properties Of Light, Electromagnetic spectrum, Reflection, refraction, snell’s law, diffraction, polarization, interference of light, constructive and destructive interference (Only definitions), physical significance of refractive index, dispersion of light LASER, Properties of laser, spontaneous and stimulated emission, population inversion, optical pumping, construction and working of He-Ne laser, applications of lasers. Fibre Optics, Introduction, Total internal reflection, critical angle, acceptance angle, Structure of optical fibre, Numerical Aperture, Fiber optic materials, Types of optical fibres, Applications in communication systems.