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2.2 APPLIED PHYSICS - II, , ane, 4, nw, , RATIONALE, , Applied physics includes the study of a diversified topics related to the world around us. It aims, to give an understanding of this world both by observation and by prediction of the way in which, objects behave. Concrete knowledge of physical laws, analysis and applications in various fields, of engineering and technology are given prominence in this course content., , Note: Teachers should give examples of engineering/technology applications of various, concepts and principles in each topic so that students are able to learn and appreciate these, concepts and principles. In all contents, SI units should be followed., , LEARNING OUTCOMES, , After undergoing this subject, the student will be able to;, , Define wave motion its types (Transverse and Longitudinal), Periodic and Simple, Harmonic Motion, solve simple problems., , Define the terms: frequency, amplitude, wavelength, velocity of a wave., , Explain various Engineering, Medical and Industrial applications of Ultrasonics., , Apply acoustics principles to various types of buildings to get best sound effect, , Explain diffraction, interference, polarization., , Define capacitance and its unit. They will be able to explain the function of capacitors in, simple circuits, solve simple problems using C=Q/V, , Explain the role of free electrons in insulators, conductors and semiconductors,, qualitatively the terms: potential, potential difference, electromotive force., , Explain the concept of electric current, resistance and itsmeasurement., , List the effects of an electric current and their common applications, State and apply, Ohm's law, calculate the equivalent resistance of a variety of resistor combinations,, determine the energy consumed by an appliance, distinguish between AC and DC, electricity, , Explain Biot-Savart Law, Ampere’s law, Lorenz Force., , State the laws of electromagnetic induction, describe the effect on a current-carrying, conductor when placed in a magnetic field, , Explain operation of moving coil galvanometer, simple DC motor, , Apply the knowledge of diodes in rectifiers, adapters IC’s and various electronic circuits., Apply the concept of light amplification in designing of various LASER based, instruments and optical sources., , Explain total internal reflection and apply this concept for optical fibre and its uses in, Medical field and Communication., , DETAILED CONTENTS, , CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN MEETING HELD ON., 10.07.2019 @RASHMI SONKAR, , Page 58

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1. Wave motion and its applications (12 periods), , 1.1, , 1.6, , Wave motion, transverse and longitudinal wave motion with examples, sound and, light waves, relationship among wave velocity, frequency and wave length and its, application, , Wave equation y =r sin wt, phase, phase difference, principle of superposition of, waves, , Simple Harmonic Motion (SHM): definition and characteristic, expression for, displacement, velocity, acceleration, time period, frequency in S.H.M., Energy of, a body executing S. H. M., simple pendulum, concept of simple harmonic, progressive wave,, , Free, Damped and forced oscillations, Resonance with examples, Q-factor, Definition of pitch, loudness, quality and intensity of sound waves, intensity level,, Echo and reverberation, Sabine formula for reverberation time(without, derivation), coefficient of absorption of sound, methods to control reverberation, time and their applications, Accoustics of building defects and remedy., Ultrasonics —production, detection, properties and applications in engineering and, medical applications., , 2. Wave Optics (6 periods), 21. Dual nature of light, wave theory of light, laws of reflection and refraction, Snell’s law,, , Power of lens, magnification., , 2.2. Two-Source Interference, Double-Slit interference, Interference due to thin films,, Fresnel’s biprism., , 23 use of interference making highly efficient solar panel., , 24 — diffraction, Single Slit diffraction, Intensity calculation ete, , 2.5 Polarization of electromagnetic waves, polarizing sheets, polarizing by, Reflection (Brewser’s law), Malus law, use of polariods., , 3 Electrostatics (12 periods), , 3.1 Concept of charge, Coulombs law, Electric field of point charges, Electric lines of, force and their properties, Electric flux, Electric potential and potential difference., , 3.2 Gauss law of electrostatics: Application of Gauss law to find electric field, intensity of straight charged conductor, plane charged sheet and charged sphere., , 33 Capacitor and its working principle, Capacitance and its units. Capacitance of, parallel plate capacitor. Series and parallel combination of capacitors, (numericals), charging and discharging of a capacitor., , 3.4 Dielectric and its effect on capacitance, dielectric break down., , 3.5. Application of electrostatics in electrostatic precipitation of microbes and, moisture separation from air and gases in industry for pollution control (Brief, explanation only), , 4. Current Electricity (12 periods), , CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN MEETING HELD ON., 10.07.2019 @RASHMI SONKAR, , Page 59

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4.1, , Electric Current, Resistance, Specific Resistance, Conductance, Specific, Conductance, Series and Parallel combination of Resistances. Factors affecting, Resistance, Colour coding of carbon Resistances, Ohm’s law. Superconductivity., , 42 Kirchhoff’s laws, Wheatstone bridge and its applications (meter bridge and slide, wire bridge), 43 Concept of terminal potential difference and Electro motive force (EMF),, potentiometer., 44 Heating effect of current, Electric power, Electric energy and its units (related, numerical problems), Advantages of Electric Energy over other forms of energy, 45 Examples of application of DC circuits in various electrical and electronics, equipment such as C.R.O, T.V., Audio-Video System, Computers etc., 3: Magneto Statics and Electromagnetism (12 periods), 5.1 Magnetic poles, force on a moving charge, circulating charges, force on a current, carrying wire, Hall effect, torque on a current loop., 5.2 Magnetic field due to moving charge(Biot-Savart Law), due to current (Biot-Savart, Law), parallel currents, field of a solenoid, Ampere’s law., 53 Faraday’s law, Lenz’ law, motional emf, induced electric fields., 54 Magnetic dipole and force on a magnetic dipole in a non-uniform field,, Magnetization, Gauss’ law for magnetism., 55 Types of magnetic materials. Dia, para and ferromagnetic materials with their, properties,, 5.6 Application of electromagnetism in ac/dc motors and generators., 6. Semiconductor physics (8 periods), 6.1 Types of materials (insulator, semi conductor, conductor), intrinsic and extrinsic, semiconductors, p-n junction diode and its V-I characteristics, 6.2 Diode as rectifier — half wave and full wave rectifier (centre taped),, 63 Semiconductor transistor, pnp and npn (concepts only), 64 Application of semiconductor diodes (Zener, LED) and that of transistor as, amplifier and oscillator., kk Modem Physics (8 Periods), , TA Lasers: concept of energy levels, ionizations and excitation potentials;, spontaneous and stimulated emission; laser and its characteristics, population, inversion, Types of lasers; Ruby and He-Ne lasers, engineering and medical, applications of lasers., , 72 Fibre optics: Total intemal reflection and its applications, Critical angle and, conditions for total internal reflection, introduction to optical fibers, light, propagation, types, acceptance angle and numerical aperture, types and, applications of optical fibre in communication., , 73 Introduction to nanotechnology, nanoparticles and nano materials,, , LIST OF PRACTICALS (To perform minimum six experiments), , 1. To determine the velocity of sound with the help of resonance tube., CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN MEETING HELD ON., , 1, , , , 019 @RASHMI SONKAR, , Page 60

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To find the focal length of convex lens by displacement method., , To find the refractive index of the material of given prism using spectrometer., , To find the wavelength of sodium light using Fresnel’s biprism., , To verify laws of resistances in series and parallel combination, , To verify ohm’s laws by drawing a graph between voltage and current., , To measure very low resistance and very high resistances using Slide Wire bridge, , Conversion of Galvanometer into an Ammeter and Voltmeter of given range., , To draw hysteresis curve of a ferromagnetic material., , 0. To draw characteristics of a pn junction diode and determine knee and break down, voltages., , 11. To find wave length of the laser beam., , 12. To find numerical aperture of an optical fiber., , SO SIA AwWN, , INSTRUCTIONAL STATREGY, , Teacher may use various teaching aids like live models, charts, graphs and experimental kits etc., for imparting effective instructions in the subject. The teacher should explain about field, applications before teaching the basics to develop proper understanding of the physical, phenomenon. Use of demonstration and animations can make the subject interesting and may, develop scientific temper in the students. Teacher must plan a tour of Science Park/planetarium, available in nearby areas in order to enhance the interest in this course., , , , MEANS OF ASSESSMENT, e Assignment & Quiz,, e Mid-Term and End-Term written test,, ¢ Model Making,, e Actual Lab & Practical Work,, © Viva-Voice, RECOMMENDED BOOKS, 1. Text Book of Physics (Part-I, Part-II); N.C.E.R.T., Delhi, 2: Concepts in Physics by HC Verma, Vol. I & II, Bharti Bhawan Ltd. New Delhi, 3. A Text Book of Optics, Subramanian and Brij Lal, S Chand & Co., New Delhi, 4. Practical Physics, by C. L. Arora, S Chand publications, 5: Engineering Physics by PV Naik, Pearson Education Pvt. Ltd, New Delhi, 6. Modem Engineering Physics by SL Gupta, Sanjeev Gupta, Dhanpat Rai Publications., ds Physics Volume 2, 5" edition, Haliday Resnick and Krane, Wiley publication, 8. Fundamentals of Physics by Haliday, Resnick & Walker 7” edition, Wiley, publication, SUGGESTED DISTRIBUTION OF MARKS, Topic No. Time Allotted Marks Allotted, , (Periods) (%), , CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN MEETING HELD ON., 10.07.2019 @RASHMI SONKAR, , Page 61

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2.3. APPLIED MECHANICS, , ae, 14, nv, , RATIONALE, , The subject Applied Mechanics deals with basic concepts of mechanics like laws of forces,, moments, friction, centre of gravity, laws of motion and simple machines which are required by, the students for further understanding of other allied subjects. The subject enhances the, analytical ability of the students., , LEARNING OUTCOMES, , After undergoing this course, the students will be able to:, , Interpret various types of units and their conversion from one to another., , Analyze different types of forces acting on a body and draw free body diagrams., Determine the resultant of coplanar concurrent forces., , Calculate the co-efficient of friction for different types of surfaces., , Calculate the least force required to maintain equilibrium on an inclined plane., Determine the centroid/centre of gravity of plain and composite laminar and solid bodies., Determine velocity ratio, mechanical advantage and efficiency of simple machines, , DETAILED CONTENTS, Introduction (06 periods), , Ll Concept of engineering mechanics definition of mechanics, statics, dynamics,, application of engineering mechanics in practical fields. Definition of Applied, Mechanics., , 1.2 Definition, basic quantities and derived quantities of basic units and derived units, , 13 Different systems of units (FPS, CGS, MKS and SI) and their conversion from, one to another for density, force, pressure, work, power, velocity, acceleration, , CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN MEETING HELD ON., 10.07.2019 @RASHMI SONKAR, , Page 62