CBSE Class 12 Physics – Important Topics For Examination

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CBSE Class 12 Physics – Important Topics For Examination : Are you ready for your finals given that the board examinations are coming up soon? The class 12 Physics board test for the CBSE will probably take place first. Students at this time of year are mostly focused on completing last-minute edits and getting the most out of their study time. So it’s crucial to update your skills. Are you acquainted with the important subjects that were regularly brought up in the Physics class 12 board exams from past years? In that case, relax!

CBSE Class 12 Physics – Important Topics For Examination

Consider these important subjects and their derivations that were taught in the CBSE class 12 Physics board test. These crucial review subjects and easy preparation advice can aid students in making wise exam preparation decisions. These straightforward strategies and recommendations can assist students in completing the chapters more quickly, even if they have skipped a few chapters in order to make last-minute adjustments or modifications.

It’s fun and fascinating to study physics. It is because it is useful in practical ways in real-world circumstances. Students will like learning physics after they grasp the fundamental concepts, despite the fact that they may find the theoretical and numerical sections to be more involved and time-consuming to study.

Important Physics Chapters for CBSE Class 12

The following provides thorough information about significant derivations and subjects that could be covered in the CBSE Class 12 Physics board exam. But first, let’s check the unit-wise marks distribution for further clarity before we get to the essential subjects.

Chapter 1: Electronic Charges and Field

• Coulomb’s Law
• Forces between multiple charges electric field due to system of charges
• Electric dipole’s electric field on axial and equatorial point
• Electric dipole in external electric field
• Gauss’s law applications

Chapter 2: Capacitance and Electrostatic Potential

• Potential due to electric dipole and system of charges
• Electric potential energy due to electric dipole and system of charges
• Equipotential surfaces
• Effect of dielectric on capacitors
• Combinations of capacitors
• Energy stored in capacitors

CBSE Class 12 Physics – Important Topics For Examination

Chapter 3: Current Electricity

• Ohm’s Law
• Limitations of ohm’s law
• Resistivity of different materials
• Combination of resistors
• Combination of cells
• Kirchhoff’s law
• Meter bridge
• Potentiometer

Chapter 4: Moving Charges and Magnetism

• Magnetic force on current carrying wire
• Motion in a magnetic field
• Velocity selector
• Cyclotron
• Magnetic field on axis of circular current carrying loop
• Ampere’s circuital law
• Force between two parallel current carrying wires
• Torque on current carrying loop in magnetic field
• Moving coil galvanometer

Chapter 5: Magnetism and Matter

•  Axial magnetic field of bar magnet as solenoid
• Electric dipole in uniform magnetic field
• Diamagnetic, Paramagnetic, Ferromagnetic Substances
• Hysteresis Loop

Chapter 6: Electromagnetic Induction

•  Magnetic flux
• Faraday’s law of induction
• Lens law
• Motional EMF
• Self inductance and mutual inductance

CBSE Class 12 Physics – Important Topics For Examination

Chapter 7: Alternating Current

• RC, LC, LR and LCR Circuits
• LC oscillations
• Power factor
• Resonance and Sharpness
• Transformers

Chapter 8: Electromagnetic Waves

• Displacement Current
• EM waves
• Nature of em waves

Chapter 9: Ray Optics and Optical Instruments

• Image formation by spherical mirrors
• Image formation by spherical lenses
• Power and combination of lenses
• Total internal reflection
• Natural phenomenon due to light (Definition and Numericals)
• Refraction through a Prism (Ray diagram, Numericals and Derivation)
• Eye
• Microscope
• Telescope

CBSE Class 12 Physics – Important Topics For Examination

Chapter 10: Wave optics

• Incoherent and coherent waves addition
• Reflection and refraction of plane waves using Huygen principle
• Interference and Young’s double-slit experiment
• Diffraction of light
• Polarisation by scattering
• Resolving power of optical Instruments

Chapter 11: Dual Nature of Radiation and Matter

• Photoelectric effect
• de Broglie hypothesis
• Davisson and Germer experiment
• Einstein photoelectric equation

Chapter 12: Atoms

• Atomic spectra
• Electron Orbits
• de-Broglie explanation of Bohr’s postulate
• Bohr Model of a Hydrogen atom
• Line spectra of a Hydrogen atom

Chapter 13: Nuclei

• Nuclear binding energy (Definition and Numericals)

CBSE Class 12 Physics – Important Topics For Examination

Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits

• Intrinsic semiconductors
• Extrinsic semiconductors
• p-n Junction diode
• p-n Junction in reverse bias and forward bias
• n-p-n and p-n-p transistor
• Junction diode as a rectifier
• Zener diode as a voltage regulator
• Transistor as an amplifier
• Logic gates

Chapter 15: Communication Systems

• Elements of communication system
• Propagation of em waves
• Basic terminologies of electronic communication system
• Amplitude modulation
Updated: January 14, 2023 — 1:01 pm