important topics of physics (class 12)
Answers
Answer:
Chapter 1 – Electronic Charges and Field
Important Topics:
1. Coulomb’s Law
2. Forces between multiple charges electric field due to system of charges
3. Electric dipole’s electric field on axial and equatorial point
4. Electric dipole in external electric field
5. Gauss’s law applications
Chapter 2 – Electrostatic Potential and CapacitanceImportant Topics:
1. Potential due to electric dipole and system of charges 2. Electric potential energy due to electric dipole and system of charges
3. Equipotential surfaces
4. Effect of dielectric on capacitors
5. Combinations of capacitors
6. Energy stored in capacitors
Chapter 3 – Current ElectricityImportant Topics:
1. Ohm’s Law
2. Limitations of ohm’s law
3. Resistivity of different materials
4. Combination of resistors
5. Combination of cells
6. Kirchhoff’s law
7. Meter bridge
8. Potentiometer
Chapter 4 – Moving Charges and MagnetismImportant Topics:
1. Magnetic force on current carrying wire
2. Motion in a magnetic field
3. Velocity selector
4. Cyclotron
5. Magnetic field on axis of circular current carrying loop 6. Ampere’s circuital law
7. Force between two parallel current carrying wires
8. Torque on current carrying loop in magnetic field
9. Moving coil galvanometer
Chapter 5 – Magnetism and MatterImportant Topics:
1. Axial magnetic field of bar magnet as solenoid
2. Electric dipole in uniform magnetic field
3. Diamagnetic, Paramagnetic, Ferromagnetic Substances
4. Hysteresis Loop
Chapter 6 – Electromagnetic InductionImportant Topics:
1. Magnetic flux
2. Faraday’s law of induction
3. Lens law
4. Motional EMF
5. Self inductance and mutual inductance
Chapter 7 – Alternating CurrentImportant Topics:
1. RC, LC, LR and LCR Circuits
2. LC oscillations
3. Power factor
4. Resonance and Sharpness
5. Transformers
Chapter 8 – Electromagnetic WavesImportant Topics:
1. Displacement Current
2. EM waves
3. Nature of em waves
Chapter 9 – Ray Optics and Optical InstrumentsImportant Topics:
1. Image formation by spherical mirrors
2. Image formation by spherical lenses
3. Total internal reflection
4. Power and combination of lenses
5. Refraction through a Prism
6. Natural phenomenons due to light
7. Eye
8. Telescope
9. Microscope
Chapter 10 – Wave opticsImportant Topics:
1. Reflection and refraction of plane waves using Huygen principle
2. Incoherent and coherent waves addition
3. Interference and Young’s double slit experiment
4. Diffraction of light
5. Resolving power of optical Instruments
6. Polarisation by scattering
Chapter 11 – Dual Nature of Radiation and MatterImportant Topics:
1. Photoelectric effect
2. Einstein photoelectric equation
3. de Broglie hypothesis
4. Davisson and Germer experiment
Chapter 12 – AtomsImportant Topics:
1. Electron Orbits
2. Atomic spectra
3. Bohr Model of Hydrogen atom
4. Line spectra of Hydrogen atom
5. de-Broglie explanation of Bohr’s postulate
Chapter 13 – NucleiImportant Topics:
1. Nuclear binding energy
2. Radioactivity
3. Radioactive decays
Chapter 14 – Semiconductor Electronics: Materials, Devices and Simple CircuitsImportant Topics:
1. Intrinsic semiconductors
2. Extrinsic semiconductors
3. p-n Junction diode
4. p-n Junction in forward bias and reverse bias
5. Junction diode as rectifier
6. Zener diode as voltage regulator
7. n-p-n and p-n-p transistor
8. Transistor as an amplifier
9. Logic gates
Chapter 15 – Communication SystemsImportant Topics:
1. Elements of communication system
2. Basic terminologies of electronic communication system
3. Propagation of em waves
4. Amplitude modulation
I hope it will help u to score good marks in physics….
All The Best……