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Basic Theory for beginners to understand work and energy calculations. Web resource at 

Good explanation on Impulse and Momentum with real life illustrations and analysis. Resource at http://www.physics.wisc.edu/undergrads/courses/fall09/201/lecture_notes/Chapter8.pdf

Good text to review Conservation of Momentum and Centre of Mass. Resource at  http://ocw.mit.edu/courses/physics/8-01sc-physics-i-classical-mechanics-fall-2010/momentum/systems-center-of-mass-and-conservation-of-momentum/MIT8_01SC_coursenotes17.pdf

Good theory and applications to cover conservation of momentum and collisions. Resource at http://iweb.tntech.edu/murdock/books/v1chap7.pdf

Short and Concise notes on Impulse and Momentum understanding with applications. Resource at http://rockpile.phys.virginia.edu/arch11.pdf

Covering all aspects of Momentum and its conservation with basic examples and applications. Includes one (head on) and two dimensional (oblique) collisions. Good applications also included. Resource at http://www.phy-astr.gsu.edu/dhamala/Physics2211/Chapter9.pdf

Good text covering all topics of System of Particles with several illustrations in the chapter and unsolved problems at the end for practice. Resource at http://www.uccs.edu/Documents/rtirado/Center_of_Mass_Gravity.pdf

Advance Theory of Centre of Mass Calculation of various discrete and continuous objects. Good examples are also covered. Resource at http://www.engineering.uodiyala.edu.iq/uploads/depts/chemical/static%20lectures.%20khalid%20ahmed/Statics-Centroid.pdf

Very basic calculation of centre of mass. Good to start understanding from basic theory. Resource at http://iit.edu/arc/workshops/pdfs/Center_of_Mass.pdf

Basic theory of Momentum and its conservation. Includes one (Head-On)  and two dimensional (oblique) collisions. Also covers Impulse and energy. Basic Examples also included. Resource at http://www.phys.nthu.edu.tw/~thschang/notes/GP09.pdf

Basic theory to understand linear momentum and its conservation. Explained with good illustrations. Resource at http://www.gcisd-k12.org/cms/lib4/TX01000829/Centricity/Domain/2855/MOMENTUM%20NOTES%20AND%20PRACTICE%20FOR%20DEC%2010.pdf

Fundamental theory to understand Basics of System of Particles, Energy, Work-Energy theorem, conservation laws and cases of variable mass including rocket propulsion. Resource available at http://www.phys.nthu.edu.tw/~thschang/notes/GP10.pdf

Good explanation of motion analysis in n-t and r-theta coordinate system. Resolution of motion parameters along radial and transverse direction is very well explained. Resource from the notes of Tariq Mahmood Qadri.

Good resource to understand analysis of motion in a curve in different types of coordinate systems. Resource available at http://www.engr.mun.ca/~adfisher/2313/PPT Files/12-8.pdf

Web Resource to understand normal and tangential coordinate system. Resource by University of Tennessee.

In general we analyze motion of a body along X and Y directions by resolving its velocity and acceleration along these directions. Similarly motion of a particle can also be analyzed in the frame of particles actual motion path. The coordinate system is called n-t coordinate system. Resource contribution is from http://pioneer.netserv.chula.ac.th/~anopdana/212/23nt.pdf

Fundamental theory of Spring Force and force constant of springs from the book Physics Galaxy Vol. I by Ashish Arora. Also includes the analysis of calculation of force constant if spring is divided in two or more parts and springs in series and parallel combination...

Web Resource available at  http://www.lakeheadschools.ca/scvi_staff/brecka/Gr11_physics_web/downloadable_content/unit4/textpdf4/phys11_4_3.pdf

Fundamental theory of Circular Motion through a presentation by Paul E. Tippens, Professor of Physics from Southern Polytechnic State University explaning several illustrations on centripetal force, car negotiating a curve etc... Web Resource available at http://www.stcharlesprep.org/01_parents/vandermeer_s/Useful Links/Honors Physics/pdf lectures/Circular Motion.pdf

Good content to understand Applications of Centripetal Force. Web Resource available at http://www2.cose.isu.edu/~hackmart/centripetal.pdf

Basic Theory to understand Centripetal (REAL) and Centrifugal (FALSE/PSEUDO) Force. Web Resource available at https://teacherweb.com/CA/RMS/Yakulis/Centripetal-Force-homework-reference-sheet.pdf

Good slidewise theory on understanding First Law of Thermodynamics, its terms and applications on Thermodynamic Processes... Resource at http://www.physics.rutgers.edu/ugrad/351/oldslides/Lecture2.pdf

Basic Theory of Gas Laws and understanding its applications with some unsolved problems to practice also... Resource available at http://www.durhamcollege.ca/wp-content/uploads/Thermodynamics-Basic-Concepts.pdf

Good theory and solved examples to understand the terms and revision of First and Second Law of Thermodynamics...Resource at http://www.uccs.edu/Documents/rtirado/Ch 15 The Laws of Thermodynamics.pdf

Good content to understand the terms related to Heat and Thermodynamics for fundamental and advance theory...must to read...resource available at http://www.physics.usyd.edu.au/super/life_sciences/TP/TP3.pdf

Good Content to cover in detail about First Law of Thermodynamics and its application in various thermodynamic processes... resource by USCI BOOKS at http://www.uscibooks.com/chang_3.pdf

This text contains fundamental theory of gas laws, triple point, state variables and thermodynamic processes... Good text to start understanding of Thermodynamics... reference from http://www.physics.rutgers.edu/~steves/161/lectures/Lecture_15.pdf

Basic Solved examples on Thermodynamics...good content for basic practice and understanding of theory applications. Resource available at http://www4.uwsp.edu/physastr/kmenning/Phys203/Discussion_Examples_Ch18.pdf

Good applications to understand working of VDG. Resource from Clarion University.

General information resource by Oxford. Resource at http://www2.physics.ox.ac.uk/sites/default/files/2012-04-24/accelerate_van_de_graaff_generator_58597.pdf

Fundamentals of Van de Graaff Generator by Lloyd Ritchey. A good explanatory note...

For understanding electric properties of materials, Ferroelectric Materials and Clausius Mossotti Equation. Content by EY Tsymbal.

Theory for understanding capacitance of a system in analytical way. Resource contribution by

For understanding polarization in dielectrics and polarization vectors and its fundamental application, this is good theory content. Resource contribution by

For understanding the basic theory of capacitance for beginners. A general Web Resource.

Advance understanding of Induction and field configuration inside and in surrounding of a conductor when it is placed in electrostatic field. Resource contribution by

Working details of a good Laboratory constructed Tangent Galvanometer. Resource by http://www.iecpl.com.au/z_pdfs/em3981-001.pdf

Stepwise explanation to understand Tangent Galvanometer Experiment and measurement of Earth's Magnetic Field. Resource at http://virtuallabs.ket.org/physics/wp-content/uploads/Lab_Pages/Lab_a-TanGalv_6_1_12.pdf

Fundamental things about a tangent galvanometer and the measurement of Earth's Magnetic Field with minimum fractional error. Resource at http://selfstudy.in/HSEPhysics/TangentGalvanometer.pdf

Advance theory on Geoelectromagnetism. A good resource to understand Earth's Magnetic Field and related terms. Resource at http://www.explorecuriocity.org/Portals/2/Themes/SkyScience/Earth%20Electromagnetic%20Field.pdf

Basic thoery to understand Magnetic Declination. Resource at http://bivouac.com/img/gde/330_Compass.pdf

Fundamental theory of Earth's Magnetic Field in form of Slides. Basic screenshots to get a quick idea about facts related to Earth's Magnetic Field. Resource available at http://www.physics.usyd.edu.au/~sgb/EMag_Lectures/em2-13Adv.pdf by University of Sydeny

Good resource on JJ Thomson experiment from http://physicsx.pr.erau.edu/Courses/CoursesS2014/PS315/Charge-to-Mass/Classic_eoverm.pdf

Simple and Good application to understand electromagnetic force on moving charge. Resource from http://www.physics.usyd.edu.au/teach_res/hsp/u7/t7_thompson.pdf

Good resource to understand simultaneous application of electric and magnetic force on a moving charge particle. Resource available at - http://subhasishchandra.com/wp-content/uploads/2012/08/Motion-of-Charged-Particles-in-Electric-and-Magnetic-Fieldsx.pdf

A fundamental resource to understand Magnetic forces on moving charges and current carrying wires. Resource available at MIT - http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/coursenotes/modules/guide08.pdf

Slide wise explained fundamental theory on EMI and Inductance. Resource at https://uqu.edu.sa/files2/tiny_mce/plugins/filemanager/files/4320664/Self-Mutual-inductance.pdf

Very Good theory of Inductance of Linear Conductors, process and derivation. Resource by http://www.tuks.nl/pdf/Reference_Material/E Rosa - The Self and Mutual Inductances of Linear Conductors - 1908.pdf

Very good text to develop understanding on Inductance, Magnetic Energy and its applications by MIT web resources. Resource available at http://web.mit.edu/viz/EM/visualizations/notes/modules/guide11.pdf

Pointwise Slides to understand Self & Mutual Inductance and R-L circuits. Resource at http://icecube.wisc.edu/~tmontaruli/Phys248/lectures/lecture36.pdf

Fundamental theory to understand Self Inductance. Resource by http://www2.cose.isu.edu/~hackmart/self_induction_engphys.pdf

Fundamental resource for developing understanding of EMI & Lenz's Law. Resource at http://physicsdbn.ukzn.ac.za/Files/Phys152_2013/EM_Notes/Ch_29_2.pdf

Basic Practice Illustrations to understand Lenz's Law. Resource available at http://members.shaw.ca/rjstriemer/Physics40S/Lenz_Law_Practice.pdf

Good text for Electromagnetic Induction, understanding its application with good quality problems. Resource from MIT web available at http://web.mit.edu/viz/EM/visualizations/coursenotes/modules/guide10.pdf

Good content for understanding Basics of EMI available at http://users.wfu.edu/ucerkb/WFU%20Home/Phy114/L9-Faradays_Law.pdf

Industrial resource to know and understand applications of power factor in AC circuit. Resource at http://ceolas.net/Docs/Sylvania_on_CFL_Power_Factor.pdf

Advance understanding of Series and Parallel RLC circuit and calculation of Bandwidth. Good text resource available at http://www.ece.rutgers.edu/~psannuti/ece224/PEEII-Expt-1-07.pdf

Very good slides and explanation of Resonance in AC circuits by Prof MB Patil, IIT Bombay. Resource at https://www.ee.iitb.ac.in/~sequel/ee101/ee101_resonance.pdf

Understanding RLC Resonance and lossy components in AC circuits. Resource at http://mlg.eng.cam.ac.uk/mchutchon/ResonantCircuits.pdf

An Advance application based text on Resonance, Q-factor and Bandwidth in AC circuits. Resource by MIT available at http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-071j-introduction-to-electronics-signals-and-measurement-spring-2006/lecture-notes/resonance_qfactr.pdf

Analytical text for understanding Power in AC circuit including various circuit elements and series RLC circuit with understanding of power factor and attenuation. Resource at http://www.phy.duke.edu/~lee/P54/Notes/ac.pdf

Theory of Ac with applications on different circuit elements and unsolved problems for practice. Resource at http://physics.bu.edu/~duffy/EssentialPhysics/chapterAC/Duffy_EP_chAC_v2.pdf

Good theory on advance understanding of AC circuits and applications. Resource at http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/coursenotes/modules/guide12.pdf

A quick slide to understand the difference and get the idea of AC and DC. Resource at http://www.global.tdk.com/news_center/publications/power_electronics_world/pdf/aaa60603.pdf

Basic theory of Alternating Current to develop fundamental understanding. Resource at http://www.csi.uottawa.ca/~rhabash/BIECh12.pdf

Fundamental theory of Light Interference in slidewise manner..Resource available at http://users.wfu.edu/ucerkb/Phy114/L15-Interference.pdf

Good text and problems for practice on interference of light... Resource by University of NOTRE DAME... Resource at http://www3.nd.edu/~amoukasi/CBE30361/Useful%20files/Interference%20of%20Light%20Waves.pdf

Fundamental resource to understand diffraction using Huygen's theory, diffraction through a single slit, circular aperture as well as basic idea of diffraction grating... resource available at http://www.physics.usyd.edu.au/super/life_sciences/L/L5.pdf

Advance text for good understanding of Refraction, Aberration and Resolving Power. Resource at http://uotechnology.edu.iq/eretc/books/Vol 1 Ch 27 - Geometric Optics.pdf

Very good text for understanding Geometrical Optics indepth. Resource at https://spie.org/Documents/Publications/00%20STEP%20Module%2003.pdf

Slidewise and pointwise review of theoy of Geometrical optics to understand Reflection, Refraction, Thin Lenses, Magnification, Total Internal Reflection etc. Resource at http://www.phys.ttu.edu/~xbrll/Ch_23.pdf

All basics of Geometrical optics including reflection, refraction, lenses, dispersion, concept of ray tracing etc. Good resource to review basics of ray optics. Resource at http://web.pdx.edu/~bseipel/lecture notes 7- 203 optics.pdf

Short Notes on brief idea of understanding reflection of light including regular and diffused reflection. Resource available at http://www.ledil.com/datasheets/Geometrical_optics.pdf

Fundamental theory of grade VIII from Bal Bharti Public School. Short and good notes to take a quick review of Reflection of Light

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the Transistor construction and their applications ...

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the Transistor construction and their applications ...

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the Transistor construction and their applications ...

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the Transistor construction and their applications ...   

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the Transistor construction and their applications ...            

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the PN Junction and Semiconductor Diodes...            

Notes from the book on semiconductors by Ashish Arora Sir (under publication, not released yet). This part includes the basics theory of semiconductors and their types...

Detailed analysis of Radioactive transformation and explanations... good content for advance understanding... Resource at http://mragheb.com/NPRE%20402%20ME%20405%20Nuclear%20Power%20Engineering/Radioactive%20Transformations%20Theory%20The%20Weak%20Force.pdf

Advance theory in simple language to understand the concepts of radioactivity. Resource available at ... http://www.epa.gov/ogwdw000/radionuclides/training/transcripts/tutorial_1.2.pdf

Fundamental and application based text to understand radioactivity and internal forces inside the nucleus... Resource available at http://www.phys.ttu.edu/~xbrll/Ch_30.pdf

Basics of Radioactivity theory... good text to start understanding of radioactivity. Resource available at http://www2.lbl.gov/abc/wallchart/teachersguide/pdf/Chap03.pdf

Understanding Reduced mass of electron in H-atom and its effect... Resource at http://courses.washington.edu/phys331/concave_grating/HD_mass_theory.pdf