Important topics of physics class 12 cbse board prepos
Hello
Here are some of the important topics of Physics class 12 for the board examination:
1. Electric Charges and Fields
Coulomb’s Law
Electric Field and Field Lines
Electric Dipole
Gauss’s Law and its applications
2. Electrostatic Potential and Capacitance
Potential due to a point charge/dipole
Equipotential surfaces
Capacitance and capacitors in series/parallel
Energy stored in capacitor
3. Current Electricity
Ohm’s Law, resistivity and conductivity
Combination of resistors
Kirchhoff’s Laws, Wheatstone Bridge
Meter Bridge, Potentiometer principle and uses
4. Moving Charges and Magnetism
Magnetic force on a moving charge
Motion in magnetic field (cyclotron)
Biot–Savart Law
Ampere’s Law, Solenoid and Toroid
Force between two parallel current-carrying wires
5. Magnetism and Matter
Bar magnet as a dipole
Magnetic field lines
Magnetic properties: dia, para, ferromagnetic
Earth’s magnetis
6. Electromagnetic Induction
Faraday’s Laws of Induction
Lenz’s Law
Self and mutual induction
Eddy currents
7. Alternating Current
AC circuits with resistor, inductor, capacitor
LCR circuit and resonance
Power in AC circuits
Transformers
8. Electromagnetic Waves
Displacement current
Electromagnetic spectrum and uses
9. Ray Optics and Optical Instruments
Reflection and Refraction
Lenses and Mirrors
Lens formula, Mirror formula
Total Internal Reflection
Optical instruments: Microscope, Telescope
10. Wave Optics
Interference of light: Young’s Double-Slit Experiment
Diffraction and Polarization
11. Dual Nature of Radiation and Matter
Photoelectric Effect (Laws, Einstein's equation)
de Broglie wavelength
12. Atoms
Bohr’s Model of Hydrogen Atom
Energy levels and spectra