DR.BABASAHEB AMBEDKAR MARATHWADA UNIVERSITY, AURANGABAD SYLLABUS B.Sc. Third Year Physics (Syllabus Effective from June 2008) B.Sc. Third Year Physics (Syllabus effective from June 2008) PAPER – IX : CLASSICAL & QUANTUM MECHANICS, ATOMIC & MOLECULAR SPECTRA, NUCLEAR PHYSICS Section –A : Classical and Quantum Mechanics : 1. Basic Concepts of Classical Mechanics (8 Periods) Mechanics of a particle, Mechanics of a system of particles, constraints, Holonomic and non-holonomic constrants, virtual work, D’Alembert’s principle, Lagrange’s equations, simple applications of the lagrangian formulation. 2. De Broglie waves and uncertainty principle (8 Periods) De Broglie Waves, Wave function, De Broglie wave velocity, wave and group velocities, Heisenberg’s uncertainty principle and its applications. 3. Schrodinger equation (07 Periods) The wave function, schrodinger equation – time dependent form Expectation values, operators, schrodinger equation–sleady state form, Eigen values and eigen functions. 4. Application of schrodinger equation (17 Periods) The particle in a box – energy quantization, wave functions, momentum quantization. The Harmonic oscillator – Energy levels, wave functions, Hydrogen atom, Schrodinger equation for the hydrogen atom, separation of variables, quantum numbers – Total quantum number, orbital quantum number, magnetic quantum number, The normal zeeman effect. Section –B : Atomic & Molecular Spectra, Nuclear Physics : 5. Atomic Spectra (10 periods) Spectra of hydrogen, denteron, alkali atoms, spectral terms, doublet fine structure, screening constants of alkali spectra for s, p, d, f states, selection rules singlet, triplet fine structure in alkaline earth spectra, L-S and J-J coupling. 6. Molecular Spectra (15 Periods) Molecular spectra – experimental study, Rotat, Spectra, Intensities of rotational lines, vibrationar spectra, rotational and vibrational bands and their theoretical explanation. Raman spectra – Raman effects, Introduction, Experimental Study, Results of Raman effect, Nature of Raman effect, Theoretical explanation of Raman effect, Practical importance of Raman effect, Raman effect and molecular constitution. 7. Nuclear Physics (15 Periods) Nuclear models and accelerators – Introduction to nuclear forces, Nuclear binding energy, shell model and liquid drop model, Nuclear reactions, Fission and Fusion, Paticle accelerators – linear accelerator and cyclotron. Elementary Particles – Introduction to elementary particles and their conservative principles, Theory of electron, Antiparticles, mesons, mesons and mesons, Hyperons, Symmetries of elementary particles, conservative principles. List of Books : 1. Perspective of Modern Physics – Arthur Beiser (Mc Graw – Hill Book Company) 2. Classical Mechanics – Herbert Goldstein (Narosa Publishing House) 3. Introduction to Atomic Spetra – White 4. Atomic Physics – Herzeberg 5. Atomic & nuclear Physics – N. Subramanyam, Brijlal, Jeevan Sheshan (S. Chand & Company Ltd.) 6. Atomic Physics – Subramanyam, Brijlal,Jeevan Shesham 7. Nuclear Physics – B.N.Shrivastav 8. Nuclear Physics – Kalpan B.Sc. Third Year Physics (Syllabus effective from June 2008) PAPER – X : SOLID STATE PHYSICS AND ELECTRONICS Section – A : Solid State Physics 1. Crystal Structure (07 Periods) Information,Crystal lattice and translation vectors, unit cell, Basis, symmetry operations, Point groups and space groups, Types of lattices (Plane lattice and space lattice with bcc and fcc) Lattice directions and planes, Interplanar spacings Miller indices, simple crystal structures, close packed structures, Hexagonal close packed structures, loose packed structures. 2. Bonding in Solids (04 Periods) Introduction, concept of inter-atomic forces, cohesive energy and types of bonding, primary bonds (ionic bonds, covalent bond and metallic bonds), Secondary bonds (Vander wall’s bonds and hydrogen bonds) 3. Heat Capacity (06 Periods) Classical theory of lattice heat capacity (concept and comparison with experimental value), concepts of Einstein’s theory of lattice heat capacity, Density of modes of vibrations (in 1-D, 2-D and 3-D), Debye’s model of lattice heat capacity (derivation), Limitations of Debye’s model. 4. Electrical properties of metals (10 Periods) Classical free electron theory of metals, Drawbacks of classical theory, Quantum theory of free electron, sommerfield’s model for free electron (one-dimensional solid, generalization for three-dimensional solid) Fermi-Dirac statistics and electron distribution in solids, Density of energy states and Fermi energy f(E) at E=E F , E<EF and E>EF , Fermi-Dirac distribution function, Mean energy of electron gas at absolute zero. 5. Bond Theory of Solids (06 Periods) Introduction, The Bloch theorem (only statement and properties), The kronig – Penny model, Energy versus wave-vector relationship – different representations (Brillouin Zones), Distinction between metals, insulators and semoconductors. 6. Magnetic Properties of Solids (07 Periods) Introduction, Concept of Magnetic permeability, magnetization, susceptibility, Electric current in atoms, Bohr Magneton, Electron Spin and Magnetic Moment, Magnetic moment due to nuclear spin, classical theory of diamagnetism and paramagnetism, Quantum theory of paramagnetism, Domain theory of ferromagnetism, Experimental demonstration of domain structure, I-H curve. Section – B : Electronics : 7. Bipolar Junction Transistor – BJT (09 Periods) BJT (Revision), Load line, Transistor biasing, voltage divider bias, Hybrid parameters (or h parameters) Determination of h-parameters, common – emiffer amplifier, Analysis of common emitter amplifier and common – collector amplifier using h-parameters current gain, voltage gain, power gain, input resistance and output resistance) 8. Junction field effect Transistor – JFET (04 Periods) JFET, operation, static characteristics, JFET parameters, Transfer characteristics, FET versus BJT. 9. Operational Amplifier – OP Amp (07 Periods) Definition of OP Amp, Characteristics of OP Amp (Using black box) parameters – CMMR, Gain of inverting and non-inverting OP Amp, Buffer, Adder, Subtractor, Integrator and Differentiator. 10. Oscillators (08 Periods) Transistorized Oscillators, effect of feedback on gain using black box, positive and negative feedback, requirement of oscillator, Criterion of Oscillations, General expression for gain and feedback ratio of oscillator (back box), Hartley and Wien Bridge (using OP Amp) Oscillator (Working and expression for frequency for both Oscillators). 11. Digital Electronics : (12 Periods) Binary and Hexadecimat number system, Binary Arithmatic, Basic logic gates (NOT, OR, AND using electrical switch circuit only), Derived logic gates (NAND, NOR, EXOR using electrical switch circuit only) De Morgan’s theorem, NAND gate as a universal building block, half adder and full adder, RS flip flop and JK flip flop (using logic gates only) Books : 1. Solid State Physics and Electronics by R.K. Puri and V.K.Babbar (S. Chand Publications, 2nd revised edition, 2006) 2. Solid State Physics by S.O. Pillai. 3. Modern Physics by Murugeshan & Sivprastha 4. Electronics by John D. Ryder 5. Electronics by K.J.M. Rao 6. Handbook of Electronics by Gupta and Kumar 7. Nuclear Physics by B.N. Srivastav 8. Nuclear Physics by Kaplan 9. Perspective of Modern Physics by Beiser B.Sc. Third Year Physics (Syllabus effective from June 2008) PAPER – XI : PRACTICAL 1. Surface Tension by Fergusson’s method. 2. Viscosity by oscillating disc method. 3. Y by Koenig’s method. 4. Determination of Wavelength of Sodium light by diffraction due to Cylindrical obstacle. 5. Determination of Wavelength of Sodium light by using biprism. 6. Determination of specific rotation of sugar solution using Laurent’s half shade polarimeter. 7. Deterination of Rydberg’s Constant using spectromete. 8. Determination of Planck’s constant by using a photocell. 9. Determination of Wavelength of Sodium light by Edsar a Pattern 10. Temperature of Flame by Na-D line reversal 11. Calibration of bridge wire by using carey – Foster Bridge 12. Measurement of velocity of sound in free air (Expt No.55 – Advanced level practical physics by M.Nelkon & J.M. Ogbron – 4th edition Publisher - ELBS) 13. Determination of Rydberg’s constant using excel. 14. Determination of em and I-H curve using excel Note : At least Twelve (12) experiments are to be completed by each student. B.Sc. Third Year Physics (Syllabus effective from June 2008) PAPER – XII : PRACTICAL 1. Energy band gap of semiconductor using thermistor 2. JFET Characteristics & determination of JFET parameters. 3. Zener diode characteristics and its use as a shunt regulator 4. Study of emitter follower amplifier 5. Transistorized Hartley Oscillator 6. Wein bridge Oscillator using OP AMP 7. OP-AMP as adder and subtractor 8. Study of Thermocouple (Fe-Cu) and to find inversion temperature. 9. To demonstrate the phase difference in case of resistance, inductance and capacitance and to measure their values using a CRO. (Practical Physics – CL Arora 2007 Edition P.No.442) 10. ‘e’ by Millikan’s Oil-drop method. 11. To study the performance of an equality detector (An advanced course in Practical Physics – D.Chattopadhyay Rakshit & Saha – Publisher New Central Book Agency – Kolkata Edition 2003 P.No. 581 Expt. No. EL 25) 12. To Plot a graph between current and frequency in a series LCR circuit and to find the resonant frequency, quality factor and band width. (Practical Physics – C.L.Arora) 13. Study of Transistor Characteristics in CE and CB configuration and calculation of and by using excel. 14. Study of JFET Characteristics and frequency response of emitter follower using excel. Note : At least Twelve (12) experiments are to be completed by each student.