Class 12 PHYSICS – CBSE

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Class 12 Physics Video Lectures

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Video Lectures
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Chapter Notes
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NCERT Book Solutions
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Course Features

Lectures 103
Quizzes 0
Duration 83 Hours 04 Minutes
Skill level All levels
Language English, Hindi
Students 9
Assessments Yes

1.Electrostatics (1)

4
- Lecture1.1
  
  Charge, Coulombs Law and Coulombs law in Vector form 41 min
- Lecture1.2
  
  Electric Field; Electric Field Lines; Field lines due to multiple charges 42 min
- Lecture1.3
  
  Charge Distribution; Finding Electric Field due to Different Object 01 hour
- Lecture1.4
  
  Solid angle; Area Vector; Electric Flux; Flux of closed surface; Gauss Law 47 min
2.Electrostatics (2)

4
- Lecture2.1
  
  Work done by Electrostatic Force; Work done by man in E-Field; Electrostatic Potential Energy 49 min
- Lecture2.2
  
  Finding Electric Potential, Equipotential Surface and Motion in Electric Field 01 hour
- Lecture2.3
  
  Electric Dipole and Dipole in Uniform and Non-uniform Electric field 01 hour
- Lecture2.4
  
  Analysis of charge on conductors; Potential due to induced charge 58 min
3.Current Electricity (1)

5
- Lecture3.1
  
  Current, Motion of Electrons in Conductor; Temp. Dependence of Resistor 26 min
- Lecture3.2
  
  Circuit Theory and Kirchoffs Laws 31 min
- Lecture3.3
  
  Some Special Circuits- Series & Parallel Circuits, Open Circuit, Short Circuit 26 min
- Lecture3.4
  
  Wheatstone Bridge, Current Antisymmetric 21 min
- Lecture3.5
  
  Equivalent Resistance- Series and parallel, Equipotential Points, Wheatstone Bridge 25 min
4.Current Electricity (2)

3
- Lecture4.1
  
  Heating Effect of Current; Rating of Bulb; Fuse Copy 19 min
- Lecture4.2
  
  Battery, Maximum power theorem; Ohmic and Non Ohmic Resistance; Superconductor Copy 31 min
- Lecture4.3
  
  Galvanometer; Ammeter & Voltmeter and Their Making Copy 44 min
5.Capacitor

3
- Lecture5.1
  
  Capacitor and Capacitance; Energy in Capacitor 38 min
- Lecture5.2
  
  Capacitive Circuits- Kirchoff’s Laws; Heat Production 01 hour
- Lecture5.3
  
  Equivalent Capacitance; Charge on both sides of cap. Plate 52 min
6.RC Circuits

2
- Lecture6.1
  
  Maths Needed for RC Circuits, RC circuits-Charging Circuit 19 min
- Lecture6.2
  
  RC circuits-Discharging Circuit, Initial & Steady State, Final (Steady) State, Internal Resistance of Capacitor 44 min
7.Magnetism and Moving Charge

9
- Lecture7.1
  
  Introduction, Vector Product, Force Applied by Magnetic Field, Lorentz Force, Velocity Selector 40 min
- Lecture7.2
  
  Motion of Charged Particles in Uniform Magnetic Field 40 min
- Lecture7.3
  
  Cases of Motion of Charged Particles in Uniform Magnetic Field 56 min
- Lecture7.4
  
  Force on a Current Carrying Wire on Uniform B and its Cases, Questions and Solutions 59 min
- Lecture7.5
  
  Magnetic Field on Axis of Circular Loop, Magnetic field due to Moving Charge, Magnetic Field due to Current 52 min
- Lecture7.6
  
  Magnetic Field due to Straight Wire, Different Methods 40 min
- Lecture7.7
  
  Force between Two Current Carrying Wires 36 min
- Lecture7.8
  
  Force between Two Current Carrying Wires 58 min
- Lecture7.9
  
  Miscellaneous Questions 55 min
8.Magnetism and Matter

5
- Lecture8.1
  
  Magnetic Dipole, Magnetic Properties of Matter, Diamagnetism; Domain Theory of Ferro 47 min
- Lecture8.2
  
  Magnetic Properties of Matter in Detail 39 min
- Lecture8.3
  
  Magnetization and Magnetic Intensity, Meissner Effect, Variation of Magnetization with Temperature 55 min
- Lecture8.4
  
  Hysteresis, Permanent Magnet, Properties of Ferro for Permanent Magnet, Electromagnet 31 min
- Lecture8.5
  
  Magnetic Compass, Earth’s Magnetic Field 20 min
9.Electromagnetic Induction

8
- Lecture9.1
  
  Introduction, Magnetic Flux, Motional EMF 01 min
- Lecture9.2
  
  Induced Electric Field, Faraday’s Law, Comparison between Electrostatic Electric Field and Induced Electric Field 43 min
- Lecture9.3
  
  Induced Current; Faraday’s Law ; Lenz’s Law 56 min
- Lecture9.4
  
  Faraday’s Law and its Cases 50 min
- Lecture9.5
  
  Advanced Questions on Faraday’s Law 37 min
- Lecture9.6
  
  Cases of Current Electricity 59 min
- Lecture9.7
  
  Mutual Induction 53 min
- Lecture9.8
  
  Self Inductance, Energy in an Inductor 34 min
10.Alternating Current Circuit

4
- Lecture10.1
  
  Introduction, AC/DC Sources, Basic AC Circuits, Average & RMS Value 46 min
- Lecture10.2
  
  Phasor Method, Rotating Vector, Adding Phasors, RC Circuit 35 min
- Lecture10.3
  
  Examples and Solutions 21 min
- Lecture10.4
  
  Power in AC Circuit, Resonance Frequency, Bandwidth and Quality Factor, Transformer 51 min
11.Electromagnetic Waves

2
- Lecture11.1
  
  Displacement Current; Ampere Maxwell Law 14 min
- Lecture11.2
  
  EM Waves; EM Spectrum; Green House Effect; Ozone Layer 36 min
12.Photoelectric Effect

2
- Lecture12.1
  
  Recalling Basics; Photoelectric Effect 50 min
- Lecture12.2
  
  Photo-electric Cell 35 min
13.Ray Optics (Part 1)

7
- Lecture13.1
  
  Rays and Beam of Light, Reflection of Light, Angle of Deviation, Image Formation by Plane Mirror 01 hour
- Lecture13.2
  
  Field of View, Numerical on Field of Line, Size of Mirror 42 min
- Lecture13.3
  
  Curved Mirrors, Terms Related to Curved Mirror, Reflection of Light by Curved Mirror 40 min
- Lecture13.4
  
  Image Formation by Concave Mirror, Magnification or Lateral or Transverse Magnification 01 hour
- Lecture13.5
  
  Ray Diagrams for Concave Mirror 45 min
- Lecture13.6
  
  Advanced Optical Systems, Formation of Images with more than one Mirror 24 min
- Lecture13.7
  
  Concept of Virtual Object, Formation of Image when Incident ray are Converging, Image Characteristics for Virtual Object 55 min
14.Ray Optics (Part 2)

10
- Lecture14.1
  
  Refractive Index, Opaque, Transparent, Speed of Light, Relative Refractive Index, Refraction and Snell’s Law, Refraction in Denser and Rarer Medium 42 min
- Lecture14.2
  
  Image Formation due to Refraction; Derivation; Refraction and Image formation in Glass Slab 57 min
- Lecture14.3
  
  Total Internal Reflection, Critical Angle, Principle of Reversibility 01 hour
- Lecture14.4
  
  Application of Total Internal Reflection 45 min
- Lecture14.5
  
  Refraction at Curved Surface, Image Formation by Curved Surface, Derivation 56 min
- Lecture14.6
  
  Image Formation by Curved Surface, Snell’s Law in Vector Form 01 hour
- Lecture14.7
  
  Lens, Various types of Lens, Differentiating between various Lenses; Optical Centre, Derivation of Lens Maker Formula 01 hour
- Lecture14.8
  
  Property of Image by Convex and Concave Lens; Lens Location, Minimum Distance Between Real Image and Object 01 hour
- Lecture14.9
  
  Power of Lens, Combination of Lens, Autocollimation 35 min
- Lecture14.10
  
  Silvering of Lens 44 min
15.Ray Optics (Part 3)

5
- Lecture15.1
  
  Prism, Angle of Prism, Reversibility in Prism 51 min
- Lecture15.2
  
  Deviation in Prism, Minimum and Maximum Deviation, Asymmetric, Thin Prism, Proof for formula of Thin Prism 59 min
- Lecture15.3
  
  Dispersion of Light, Refractive Index, Composition of Light, Dispersion through Prism 01 hour
- Lecture15.4
  
  Rainbow Formation, Scattering of Light, Tyndall Effect, Defects of Image, Spherical Defect, Chromatic Defect, Achromatism 57 min
- Lecture15.5
  
  Optical Instruments, The Human Eye, Defects of Eye and its Corrections 01 hour
16.Wave Optics

16
- Lecture16.1
  
  Introduction to Wave Optics 11 min
- Lecture16.2
  
  Huygens Wave Theory 14 min
- Lecture16.3
  
  Huygens Theory of Secondary Wavelets 10 min
- Lecture16.4
  
  Law of Reflection by Huygens Theory 10 min
- Lecture16.5
  
  Deriving Laws of Refraction by Huygens Wave Theory 10 min
- Lecture16.6
  
  Multiple Answer type question on Huygens Theory 41 min
- Lecture16.7
  
  Conditions of Constructive and Destructive Interference 22 min
- Lecture16.8
  
  Conditions of Constructive and Destructive Interference 06 min
- Lecture16.9
  
  Conditions of Constructive and Destructive Interference 23 min
- Lecture16.10
  
  Incoherent Sources of Light 38 min
- Lecture16.11
  
  Youngs Double Slit Experiment 12 min
- Lecture16.12
  
  Fringe Width Positions of Bright and Dark Fringes 15 min
- Lecture16.13
  
  Numerical problems on Youngs Double Slit Experiment 11 min
- Lecture16.14
  
  Numerical problems on Youngs Double Slit Experiment 19 min
- Lecture16.15
  
  Displacement of Interference Pattern 19 min
- Lecture16.16
  
  Numerical problems on Displacement of Interference Pattern 28 min
17.Atomic Structure

2
- Lecture17.1
  
  Thomson and Rutherford Model of Atom; Trajectory of Alpha particle; Bohr’s Model ; Hydrogen Like Atom; Energy Levels 58 min
- Lecture17.2
  
  Emission Spectra, Absorption Spectra; De Broglie Explanation of Bohr’s 2nd Postulate; Limitations of Bohr’s Model 37 min
18.Nucleus

2
- Lecture18.1
  
  Basics- Size of Nucleus, Nuclear Force, Binding Energy, Mass Defect; Radioactive Decay 01 hour
- Lecture18.2
  
  Laws of Radioactive Decay 36 min
19.X-Ray

2
- Lecture19.1
  
  Electromagnetic Spectrum, Thermionic Emission; Coolidge Tube – Process 1 22 min
- Lecture19.2
  
  Coolidge Tube – Process 2; Moseley’s Law; Absorption of X-rays in Heavy Metal 39 min
20.Error and Measurement

2
- Lecture20.1
  
  Least Count of Instruments; Mathematical Operation on Data with Random Error 18 min
- Lecture20.2
  
  Significant Digits; Significant Digits and Mathematical Operations 30 min
21.Semiconductors

4
- Lecture21.1
  
  Conductor, Semiconductors and Insulators Basics Difference, Energy Band Theory, Si element 21 min
- Lecture21.2
  
  Doping and PN Junction 01 hour
- Lecture21.3
  
  Diode and Diode as Rectifier 01 hour
- Lecture21.4
  
  Voltage Regulator and Zener Diode and Optoelectronic Jn. Devices 01 hour
22.Communication Systems

2
- Lecture22.1
  
  Basic working and terms; Antenna; Modulation and Types of Modulation 32 min
- Lecture22.2
  
  Amplification Modulation, Transmitter, Receiver, Modulation index 40 min

DronStudy Academic team consists of IITian teachers of Kota fame. The team has more than 45 years of teaching experience put together. It is headed by Neetin Agrawal Sir - B.Tech IIT Madras / Author of 3 books for IIT-JEE Physics / Taught in some of the best Coaching Institutes of India / Has several Inventions (Patents) to his name during his Corporate Research years.