Graduate Physics Video Tutorials

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1. Electrodynamics

Divergence and Curl Operators
https://www.youtube.com/watch?v=bEjba_8SfKw Solutions of Divergence and Curl Numerical Problems
https://www.youtube.com/watch?v=rBjePTq-luo Basics of Gauss Divergence and Stokes Theorem
https://www.youtube.com/watch?v=8kfEzfa7aAU Gauss’s Law in Electrostatics
https://www.youtube.com/watch?v=7M9fAQ633_k Ampere’s Circuital Law
https://www.youtube.com/watch?v=g3u4hLU9-Gg Ampere’s Circuital Law in differential form
https://www.youtube.com/watch?v=w93V-FuGQww Displacement Current’s Concept
https://www.youtube.com/watch?v=lQMaGb3_8eQ Ampere’s Circuital Law Modification
https://www.youtube.com/watch?v=q0Ii5dovBu0 Faraday’s law and induced emf
https://www.youtube.com/watch?v=bjCLsyWnO24 Gauss-Divergence Theorem and its Physical Interpretation
https://www.youtube.com/watch?v=4LTMpiQiYy4 The Continuity Equation
https://www.youtube.com/watch?v=GuDWoxAFvpQ Maxwells Equation in Integral and Differential Form
https://www.youtube.com/watch?v=r_gW3U3bfRc Transverse Nature of Electromagnetic Waves
https://www.youtube.com/watch?v=1CfytJI1FVI How to find the Magnetic Field by using Maxwell’s Equation
https://www.youtube.com/watch?v=MrEih3XPoMY

2. Optical Fibre

Basic Principle of Optical Fibre
https://www.youtube.com/watch?v=EhQhMDw49vA Numerical Aperture of Optical Fiber
https://www.youtube.com/watch?v=p-egmk-Ucnc Classification of Optical Fibers: Step Index, Graded Index
https://www.youtube.com/watch?v=Ie3c2qu9VyY Attenuation in Optical Fibers
https://www.youtube.com/watch?v=isP5xZYDEOw Attenuation Loss in Optical Fiber
https://www.youtube.com/watch?v=iXlUByJVF4g V-Number or Normalized Frequency of Optical Fiber
https://www.youtube.com/watch?v=Ihjaiq9gCEY Problems on Acceptance Angle, Critical Angle and Numerical Aperture
https://www.youtube.com/watch?v=dEnu68MP3Lg

3. LASER

Basics of LASER (Absorption, Spontaneous & Stimulated Emission process)
https://www.youtube.com/watch?v=lHGUSAjwuSk Metastable State in LASER
https://www.youtube.com/watch?v=lzT6YLMUz8E Type of Pumping Process in LASER
https://www.youtube.com/watch?v=v4HHuYmRDec Population Inversion in LASER
https://www.youtube.com/watch?v=XMnYm0rZHJM Maxwell Boltzmann Distribution Law explanation for Population Inversion
https://www.youtube.com/watch?v=99aWvjxaFaU Einstein s Coefficients and Transition Probability
https://www.youtube.com/watch?v=yv7Hns_efbo Relation Between Einstein Coefficients in LASER
https://www.youtube.com/watch?v=p1oM6Q7KO6I LASER process by Simulation
https://www.youtube.com/watch?v=sqdO1tKepr0 Energy Levels are Representations of Shells & Orbitals in the Atom
https://www.youtube.com/watch?v=9OfEaIfYU70 Ruby Laser Working Explanation
https://www.youtube.com/watch?v=_VEvw4_X5dU He Ne Laser Principle Construction and Working
https://www.youtube.com/watch?v=HgTXWpZh_q4 Co2 laser working and construction
https://www.youtube.com/watch?v=ZJUqWJNXUKY Semiconductor LASER Construction and Working
https://www.youtube.com/watch?v=jNAq54CeDvg Holography, Construction and Reconstruction
https://www.youtube.com/watch?v=BsqjjW92uOA Diffraction Grating Experiment in the Lab by LASER
https://www.youtube.com/watch?v=Lf2Kk9fP4s8

4-Magnetic Materials

Atomic Dipole Moment Concept
https://www.youtube.com/watch?v=Z5YnLRpsKh4 Magnetization and Magnetic Intensity
https://www.youtube.com/watch?v=FRtkDRPxY00 Orbital and Spin Angular Momentum Role in Atomic Dipole Moment
https://www.youtube.com/watch?v=JrN0ZFIfxOg Electron Spin Magnetic Moment and Magnetic Susceptibility
https://www.youtube.com/watch?v=ZuoTSDLQkJs Ferromagnetic Material’s Theory
https://www.youtube.com/watch?v=sl0YmZ8JCDA B H Curve Concept
https://www.youtube.com/watch?v=QOfF2pOZe1Y Hysteresis Loss Concept and Derivation
https://www.youtube.com/watch?v=I80wwYkGkQM Hall Effect Theory
https://www.youtube.com/watch?v=PHjg4A4uGdo Hall Effect
https://www.youtube.com/watch?v=RlC9oaoP5iQ

5-Free Electron Theory and Superconductivity

Free Electron Theory model
https://www.youtube.com/watch?v=5xA1Fzfet_k Fermi Level and Fermi Energy
https://www.youtube.com/watch?v=qXkg86Qph8Q The Density of States
https://www.youtube.com/watch?v=QKzPMo68SBY Critical Magnetic Field in Superconductivity
https://www.youtube.com/watch?v=rJfUvP0ZnD4 Critical Current in Superconductivity
https://www.youtube.com/watch?v=f415LNTZSmQ Meissner Effect In Superconductivity
https://www.youtube.com/watch?v=jJk2pkH-g5w Type I and Type II Superconductors
https://www.youtube.com/watch?v=zwEkHyc5E40 London Equations: Derivation and Discussion
https://www.youtube.com/watch?v=tDh3CzCWPls BCS Theory of Superconductivity
https://www.youtube.com/watch?v=qAXInEqO5GA

6- Quantum Mechanics

de Broglie Waves Matter Waves and Wavelength
https://www.youtube.com/watch?v=7DLhMlYo89s Wave Function and Normalization Constant
https://www.youtube.com/watch?v=TuKtztJZ2ls Symmetric and Antisymmetric Eigenfunctions: Degenerate states
https://www.youtube.com/watch?v=mA5eDA8vtOo The Pauli’s Exclusion Principle
https://www.youtube.com/watch?v=gwtgLzF9okQ Exchange Forces & The Helium Atom
https://www.youtube.com/watch?v=Mn_hc_a7_x8 The Symmetry Character of Various Particles
https://www.youtube.com/watch?v=vBcXiDaSIcg The Anomalous Zeeman Effect
https://www.youtube.com/watch?v=FCk9RfNw1jA Zeeman Effect Part-1
https://www.youtube.com/watch?v=dT3ooUf-zwc Zeeman Effect Part-2
https://www.youtube.com/watch?v=cusc4In3LnI Zeeman Effect Series Part-3
https://www.youtube.com/watch?v=HdGhsMeubGc Quantum Theory of the Zeeman Effect
https://www.youtube.com/watch?v=Zq2V2d01y1I Schrodinger Equation for Spherical Symmetric Potential Energy
https://www.youtube.com/watch?v=xMeH5Vwq_n0 Particle in a One Dimensional Box
https://www.youtube.com/watch?v=3UPMWDSBLEw