Applied Physics

"Applied physics is the bridge between theoretical science and practical technology, where principles turn into innovations."


SYLLABUS

UNIT-I

INTEREFERENCE [09 Hours] Introduction-Principle of Superposition – Interference-Conditions for sustained interference– Coherent Sources – nterference in thin films (reflection geometry) – Newton’s rings – Applications of interference DIFFRACTION Introduction – Difference between interference and diffraction – Difference between Fresnel and Fraunhofer diffraction - Fraunhofer diffraction at single slit- cases – Diffraction grating

UNIT-II

LASERS & FIBER OPTICS [09 Hours] Lasers:Introduction-Characteristics of laser light – stimulated absorption, spontaneous and stimulated emission of radiation – population inversion (2-level, 3-level and 4–level schemes) - Einstein coefficients and significance– basic components of laser - Ruby laser – He- Ne laserand applications of lasers.

UNIT-III

QUANTUM MECHANICS Dual nature of matter – Heisenberg’s Uncertainty Principle – Significance and properties of wave function – Schrodinger’s time independent and dependent wave equations– Particle in a one-dimensional infinite potential well.

UNIT-IV

SEMICONDUCTOR PHYSICS & INTRODUCTION TO DIGITAL ELECTRONICS [10 Hours] Semiconductor Physics: Introduction - bond formation in intrinsic semiconductors and extrinsic semiconductors (P-type and N-type) – intrinsic electrical conductivity – Drift & Diffusion –Einstein’s equation – Hall effect in semiconductors – Applications of Hall effect. Introduction To Digital Electronics: Logic gates (OR gate, AND gate, NOT gate, NAND gate, NOR gate, XOR gate), Demorgan’s theorems, Boolean Expressions with Truth Tables,Product of literals (Min term), Sum of literals (Max term), Sum of products, Product of sums, Laws of Boolean algebra.

UNIT-V

COMBINATIONAL CIRCUITS [10 Hours] Design procedure of combinational circuits.Minimization of logic expressions by algebraic method-Kmapmethod,NAND and NOR implementation. Designing of half adder, full adder, Multiplexers, De-multiplexers, encoders, decoders