- Home /
- Demo Lectures /
- Class XII /
- Physics
CLASS XII-PHYSICS-TITLE 1
Electric Charges and Fields
Electrostatics 1. Charging by induction 2. Electric charges and fields 3. Basic properties of Electric charges 4. Coulomb’s law 5. Force between multiple charges 6. Electric field 7. Electric field lines 8. Electric dipole 9. Dipole in uniform Electric field 10. Electric flux 11. Continuous charge distribution 12. Gauss’s law 13. Application of gauss’s theorem 14. Illustration – I 15. Illustration – II 16. Illustration – III 17. Illustration – IV 18. Illustration – V 19. Illustration – VI 20. Illustration – VII
CLASS XII-PHYSICS-TITLE 2
Electrostatic Potential and Capacitance – Part I
Introduction 1. Electrostatic Potential 2. Potential due to a point charge 3. Potential due to an electric dipole 4. Potential due to a system of charges 5. Equipotential surfaces 6. Relation between electric intensity & electric potential 7. Potential energy of a system of two charges in an external field 8. Electrical capacitance 9. Illustration – I 10. Illustration – II 11. Illustration – III 12. Illustration – IV 13. Illustration – V
CLASS XII-PHYSICS-TITLE 3
Electrostatic Potential and Capacitance – Part II
Capacitor & its principle 1. The parallel plate capacitor 2. Grouping of capacitor 3. Parallel combination of capacitors 4. Energy density of a parallel plate capacitor 5. Loss of energy on sharing of charges 6. Dielectric 7. Dielectric polarisation 8. Capacitance of a parallel plate capacitor with dielectric slab 9. Van de Graff generator 10. Illustration – VI 11. Illustration – VII 12. Illustration – VIII 13. Illustration – IX 14. Illustration – X 15. Illustration – XI 16. Illustration – XII
CLASS XII-PHYSICS-TITLE 4
Current Electricity
Introduction and electric current 1. Current carriers 2. Drift velocity 3. Mobility 4. Ohm’s law 5. Deduction of Ohm’s law 6. Resistivity 7. Temperature dependence of Resistivity 8. Current density 9. Limitations of Ohm’s law 10. Colour code for carbon Resistors 11. Combination of Resistors 12. Electrical energy and power 13. Cells, emf and internal resistance 14. Kirchhoff’s laws 15. Combination of cells 16. Wheat stone bridge principle 17. Slide Wire Bridge or Meter Bridge 18. Potentiometer & its principle 19. Illustrations – I 20. Illustrations – II 21. Illustrations – III 22. Illustrations – IV 23. Illustrations – V 24. Comparison of emfs of two cells 25. Determination of internal resistance 26. Illustrations – VI 27. Illustrations – VII 28. Illustrations – VIII 29. Illustrations – IX 30. Illustrations – X
CLASS XII-PHYSICS-TITLE 5
Moving Charges and Magnetism
Introduction 1. Magnetic force 2. Magnetic force in current carrying conductor 3. Motion of charge in Magnetic field 4. Motion in combined electric and Magnetic field 5. Cyclotron 6. Biot – savart law 7. Magnetic field on the axis of a circular current loop 8. Ampere’s circuital law 9. Illustrations – I 10. Illustrations – II 11. Illustrations – III 12. Illustrations – IV 13. Illustrations – V 14. The solenoid and the torpid 15. Force between two parallel conductors, the ampere 16. Torque on current loop 17. The moving coil galvanometer 18. Conversion of galvanometer into ammeter 19. Magnetic dipole moment of revolving electron 20. Circular current loop as magnetic dipole 21. Illustrations – VI 22. Illustrations – VII 23. Illustrations – VIII 24. Illustrations – IX 25. Illustrations – X 26. Illustrations – XI 27. Illustrations – XII 28. Illustrations – XIII 29. Illustrations – XIV
CLASS XII-PHYSICS-TITLE 6
Magnetism and Matter
Introduction 1. Bar magnet as an equivalent solenoid 2. Magnetism dipole 3. Magnetism and gauss’s law 4. The earth’s magnetism 5. Important terms used in magnetism 6. Relation between magnetic permeability & magnetic susceptibility 7. Magnetic properties of materials 8. Hysteresis curve 9. Illustrations – I 10. Illustrations – II 11. Illustrations – III 12. Illustrations – IV 13. Illustrations – V 14. Illustrations – VI
CLASS XII-PHYSICS-TITLE 7
Electromagnetic induction, Electromagnetic waves
Magnetic flux 1. Motional electromotive force 2. Eddy currents 3. Self induction 4. Mutual induction 5. Mutual inductance of two co-axial long solenoids 6. Energy stored in an inductor 7. AC generator 8. Illustrations – I 9. Illustrations – II 10. Illustrations – III 11. Illustrations – IV 12. Illustrations – V 13. Illustrations – VI 14. Illustrations – VII 15. Illustrations – VIII 16. Illustrations – IX 17. Introduction 18. Sources of Electromagnetic waves 19. Nature of Electromagnetic waves 20. Properties of Electromagnetic waves 21. Electromagnetic spectrum 22. Electromagnetic spectrum (X-Rays) 23. Illustrations – I 24. Illustrations – II 25. Illustrations – III 26. Illustrations – IV 27. Illustrations – V
CLASS XII-PHYSICS-TITLE 8
Alternating Current
Introduction 1. Mean value of alternating current 2. Root mean square value of AC 3. AC circuit applied to a resistor 4. Average power of an AC circuit with resistance only 5. AC circuit with inductor only 6. Average power associated with inductor only 7. AC circuit containing capacitor only 8. Average power associated with capacitor only 9. Illustrations – I 10. Illustrations – II 11. Illustrations – III 12. Illustrations – IV 13. AC voltage applied to a series LCR Circuit 14. R-L & R-C Circuit 15. Average power associated with LCR Circuit 16. Resonance 17. L-C Oscillations 18. Transformers 19. Illustrations – V 20. Illustrations – IV 21. Illustrations – VII 22. Illustrations – VIII 23. Illustrations – IX
CLASS XII-PHYSICS-TITLE 9
Ray Optics and Optical Instruments – Part I
Reflection of light 1. Relation between focal length and radius of curvature 2. Mirror formula 3. Linear magnification 4. Illustration – I 5. Illustration – II 6. Illustration – III 7. Illustration – IV 8. Refraction 9. Refraction of light through glass slab 10. Lateral displacement 11. Principle of reversibility 12. Real depth and apparent depth of a tank 13. Illustration – V 14. Illustration – VI 15. Total internal Reflection of light 16. Some application of Total internal Reflection 17. Illustration – VII 18. Illustration – VIII 19. Illustration – IX
CLASS XII-PHYSICS-TITLE 10
Ray Optics and Optical Instruments – Part II
Spherical refracting surfaces 1. Refraction from rarer to denser medium 2. Refraction from denser to rarer medium 3. Lenses 4. Lens maker formula 5. Formation of images by convex and concave lens 6. Lens formula 7. Combination of thin lenses in contact 8. Illustration – XIV 9. Illustration – XV 10. Illustration – XVI 11. Illustration – XVII 12. Illustration – XVIII 13. Refraction through a prism and dispersion by a prism 14. The rainbow 15. Scattering of light 16. Illustration – XIX 17. Illustration – XX 18. Illustration – XXI 19. Optical instrument 20. Eyes: myopia 21. Eyes: hypermetropia 22. Presbyopia and astigmatism 23. The microscope 24. Compound microscope 25. Astronomical telescope: reflecting type 26. Illustration – XXII 27. Illustration – XXIII 28. Illustration – XXIV 29. Illustration – XXV
CLASS XII-PHYSICS-TITLE 11
Wave’s optics
Wave optics 1. Huygens principle 2. Reflection and refraction of plane waves 3. Coherent sources of light 4. Young’s double slit experiment 5. Conditions for constructive interference 6. Ratio of maximum and minimum intensities 7. Intensity distribution in young’s double slit experiment 8. Expression for fringe width 9. Conditions for sustained interference 10. Illustrations – I 11. Illustrations – II 12. Illustrations – III 13. Diffraction of light 14. Diffraction due to single slit 15. Width of central maximum 16. Difference between interference and diffraction of light 17. Resolving power of optical instrument – microscope 18. Resolving power of optical instrument – telescope 19. Fresnel distance 20. Illustrations – IV 21. Illustrations – V 22. Illustrations – VI 23. Illustrations – VII 24. Polarisation of light 25. Polarisation of light – Nicol prism 26. Law of malus 27. Polarisation of light by reflection 28. Illustrations – VIII 29. Illustrations – IX
CLASS XII-PHYSICS-TITLE 12
Dual Nature of Radiation and Matter, Atoms
Dual Nature of Radiation and Matter 1. Photoelectric effect 2. Relation between cut-off potential, frequency and threshold frequency 3. Particle nature of light 4. Dual nature of radiation 5. De-Broglie wavelength 6. Davisson and germer experiment 7. Illustration – I 8. Illustration – II 9. Illustration – III 10. Illustration – IV 11. Illustration – V 12. Illustration – VI 13. Introduction 14. Distance of closest approach: size of nucleus 15. Electron orbits 16. Atomic spectra 17. Bohr’s model of hydrogenation 18. Radii of Bohr’s stationary orbits 19. Velocity of electrons in Bohr’s stationary orbits 20. Origin of spectral lines 21. Spectral series of hydrogen atom 22. De Broglie’s explanation of Bohr’s second postulate of Quantisation 23. Illustration – I 24. Illustration – II 25. Illustration – III 26. Illustration – IV 27. Illustration – V 28. Illustration – VI
CLASS XII-PHYSICS-TITLE 13
Nuclei
Nuclei 1. Nuclear density 2. Mass –energy and nuclear binding energy 3. Nuclear force 4. Radioactivity 5. Nuclear energy
CLASS XII-PHYSICS-TITLE 14
Semiconductor Electronics: Materials, Devices and Simple Circuits
Classification of metals, conductors and semiconductors 1. Semiconductors 2. Intrinsic Semiconductors 3. Extrinsic Semiconductors 4. P –n Junction 5. Application of P –n Junction diode as rectifier 6. Special purpose P –n Junction diodes 7. Junction transistor 8. Digital electronics and logic gates 9. Illustrations – I 10. Illustrations – II 11. Illustrations – III 12. Illustrations – IV 13. Illustrations – V
CLASS XII-PHYSICS-TITLE 15
Communication Systems
Communication system 1. Bandwidth of signals 2. Propagation of electromagnetic waves 3. Modulation and its necessity 4. Types of modulation 5. Amplitude modulation 6. Production of Amplitude modulation wave 7. Illustration – I 8. Illustration – II