CBSE Class 12 Physics Syllabus 2023: Class 12 Board Exams are the most important exams in a CBSE student’s life, as their entire career is dependent on them and this score will decide which college, university, or entrance exam they’re eligible for. This is why students tend to get stressed just by the thought of it, but if you are well prepared there’s no need to worry.
If we talk about CBSE Class 12 Board Exams, every subject is difficult but they all get sidelined when Maths and Physics come into the picture. For students in the science stream, Physics is one of the important and fundamental subjects. The study of physics helps students to develop their quantitative reasoning and problem-solving skills and prepare them for a world of technology. The Central Board of Secondary Education has released the revised Syllabus for Class 12 Physics for the academic session 2022-23. Read the article further to get an idea about the revised CBSE Class 12 syllabus.
CBSE Class 12 Physics Revised Syllabus 2022-23: Unitwise Chapters List
Units
| Marks | ||
|
16
|
Electrostatics | Unit I |
| Chapter–1: Electric Charges and Fields | ||
|
17 |
Chapter–2: Electrostatic Potential and Capacitance | |
| Current Electricity | Unit-II | |
| Chapter–3: Current Electricity | ||
| Magnetic Effects of Current and Magnetism | Unit–III | |
| Chapter–4: Moving Charges and Magnetism | ||
| Chapter–5: Magnetism and Matter | ||
| Electromagnetic Induction and Alternating Currents | Unit–IV | |
| Chapter–6: Work, Energy and Power | ||
| Chapter–7: Alternating Current | ||
|
18 |
Electromagnetic Waves | Unit–V |
| Chapter–8: Electromagnetic Waves | ||
| Optics | Unit-VI | |
| Chapter–9: Ray Optics and Optical Instruments | ||
| Chapter–10: Wave Optics | ||
|
12 |
Dual Nature of Radiation and Matter | Unit–VII |
| Chapter–11: Dual Nature of Radiation and Matter | ||
| Atoms and Nuclei | Unit–VIII | |
| Chapter–12: Atoms | ||
| Chapter–13: Nuclei | ||
| 7 | Electronic Devices | Unit–IX |
| Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits | ||
| 70 | Total |
Class 12 CBSE Physics Syllabus 2023: Chapterwise
Unit I- Electrostatics
Chapter–1: Electric Charges and Fields
Electric charges, Conservation of charge, Coulomb’s law-force between two point charges, forces between multiple charges; superposition principle, and continuous charge distribution. Electric field, electric field due to a point charge, electric field lines, electric dipole, electric field due to a dipole, torque on a dipole in a uniform electric field.
Electric flux, statement of Gauss’s theorem and its applications to find field due to infinitely long straight wire, uniformly charged infinite plane sheet, and uniformly charged thin spherical shell (field inside and outside).
Chapter–2: Electrostatic Potential and Capacitance
Electric potential, potential difference, electric potential due to a point charge, a dipole, and system of charges; equipotential surfaces, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field.
Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and electric polarization, capacitors and capacitance, a combination of capacitors in series and in parallel, the capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor (no derivation, formulae only).
Unit II- Current Electricity
Chapter–3: Current Electricity
Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current; Ohm’s law, V-I characteristics (linear and nonlinear), electrical energy and power, electrical resistivity and conductivity, temperature dependence of resistance, Internal resistance of a cell, potential difference and emf of a cell, combination of cells in series and in parallel, Kirchhoff’s rules, Wheatstone bridge.
Unit III- Magnetic Effects of Current and Magnetism
Chapter–4: Moving Charges and Magnetism
Concept of magnetic field, Oersted’s experiment.
Biot – Savart law and its application to the current carrying circular loop.
Ampere’s law and its applications to infinitely long straight wire. Straight solenoid (only qualitative treatment), force on a moving charge in uniform magnetic and electric fields.
Force on a current-carrying conductor in a uniform magnetic field, force between two parallel current-carrying conductors-definition of ampere, torque experienced by a current loop in uniform magnetic field; Current loop as a magnetic dipole and its magnetic dipole moment, moving coil galvanometerits current sensitivity and conversion to ammeter and voltmeter.
Chapter–5: Magnetism and Matter
Bar magnet, bar magnet as an equivalent solenoid (qualitative treatment only), magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis (qualitative treatment only), torque on a magnetic dipole (bar magnet) in a uniform magnetic field (qualitative treatment only), magnetic field lines.
Magnetic properties of materials- Para-, dia- and ferro – magnetic substances with examples, Magnetization of materials, effect of temperature on magnetic properties.
Also See: CBSE Class 12 Syllabus 2023
Unit IV- Electromagnetic Induction and Alternating Currents
Chapter–6: Electromagnetic Induction
Electromagnetic induction; Faraday’s laws, induced EMF and current; Lenz’s Law, Self and mutual induction.
Chapter–7: Alternating Current
Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; LCR series circuit (phasors only), resonance, power in AC circuits, power factor, wattless current. AC generator, Transformer.
Unit V- Electromagnetic waves
Chapter–8: Electromagnetic Waves
Basic idea of displacement current, Electromagnetic waves, their characteristics, their transverse nature (qualitative idea only).
Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays) including elementary facts about their uses.
Unit VI- Optics
Chapter–9: Ray Optics and Optical Instruments
Ray Optics: Reflection of light, spherical mirrors, mirror formula, refraction of light, total internal reflection and optical fibers, refraction at spherical surfaces, lenses, thin lens formula, lens maker’s formula, magnification, power of a lens, combination of thin lenses in contact, refraction of light through a prism.
Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.
Chapter–10: Wave Optics
Wave Optics: Wavefront and Huygens principle, reflection and refraction of plane waves at a plane surface using wave fronts. Proof of laws of reflection and refraction using Huygens principle. Interference, Young’s double slit experiment and expression for fringe width (No derivation final expression only), coherent sources and sustained interference of light, diffraction due to a single slit, width of central maxima (qualitative treatment only).
Unit VII- Dual Nature of Radiation and Matter
Chapter–11: Dual Nature of Radiation and Matter
Dual nature of radiation, Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation-particle nature of light. Experimental study of photoelectric effect Matter waves-wave nature of particles, de-Broglie relation.
Unit VIII- Atoms and Nuclei
Chapter–12: Atoms
Alpha-particle scattering experiment; Rutherford’s model of atom; Bohr model of hydrogen atom, Expression for radius of nth possible orbit, velocity and energy of electron in his orbit, of hydrogen line spectra (qualitative treatment only).
Chapter–13: Nuclei
Composition and size of nucleus, nuclear force Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number; nuclear fission, nuclear fusion.
Unit IX- Electronic Devices
Chapter–14: Semiconductor Electronics: Materials, Devices, and Simple Circuits
Energy bands in conductors, semiconductors, and insulators (qualitative ideas only) Intrinsic and extrinsic semiconductors- p and n type, p-n junction diode – I-V characteristics in forward and reverse bias, application of junction diode -diode as a rectifier.
Also See: CBSE Class 12 Physics Important Topics
CBSE Class 12 Physics: Important Topics And Preparation Tips
Conclusion
Class 12th Physics Syllabus is the roadmap to success in the exams. You can easily make a proper study plan and start preparing the chapters accordingly. Class 12 is very crucial and has many subjects to cover. Hence, you need to focus on each subject accurately.
Chapterwise NCERT Solutions for CBSE Class 12 Physics Syllabus
- NCERT Solutions
- NCERT Solutions for Class 12
- NCERT Solutions for Class 12 Physics
- NCERT Solutions for Class 12 Physics Chapter 1- Electric Charges and Fields
- NCERT Solutions for Class 12 Physics Chapter 2- Electrostatic Potential and Capacitance
- NCERT Solutions for Class 12 Physics Chapter 3- Current Electricity
- NCERT Solutions for Class 12 Physics Chapter 4- Moving Charges and Magnetism
- NCERT Solutions for Class 12 Physics Chapter 5- Magnetism and Matter
- NCERT Solutions for Class 12 Physics Chapter 6- Electromagnetic Induction
- NCERT Solutions for Class 12 Physics Chapter 7- Alternating Current
- NCERT Solutions for Class 12 Physics Chapter 8- Electromagnetic Waves
- NCERT Solutions for Class 12 Physics Chapter 9- Ray Optics and Optical Instruments
- NCERT Solutions for Class 12 Physics Chapter 10- Wave Optics
- NCERT Solutions for Class 12 Physics Chapter 11- Dual Nature of Radiation and Matter
- NCERT Solutions for Class 12 Physics Chapter 12- Atoms
- NCERT Solutions for Class 12 Physics Chapter 13- Nuclei
- NCERT Solutions for Class 12 Physics Chapter 14- Semiconductor Electronics
- NCERT Solutions for Class 12 Physics Chapter 15- Communication Systems
FAQs on CBSE Class 12 Physics Syllabus 2023
How will the Class 12 board physics syllabus help you?
The importance of the Physics syllabus is to help you and make your preparation easy. Being familiar with all the chapters and knowing their respective weightage also helps to plan out your assignments. Downloading the syllabus beforehand will help you complete the syllabus on time.
What are the topics that bear maximum weightage in the CBSE Syllabus for Class 12 Physics 2022-23 Board Exam?
Physics is an important subject that students need to have thorough knowledge about to get a deep understanding of the subject. We suggest students not to miss any topics for getting a good rank in competitive exams. Students should also be through with NCERT and prepare according to the NCERT marking scheme and chapter-wise weightage.
Is physics hard in class 12?
Most of the students find the Class 12 Physics subject difficult. This is also due to the vast syllabus and derivations that are there in both parts of the NCERT class 12 Physics book.
How can I enjoy physics?
Instead of memorizing the formulas, it is always better to understand the derivations. Mugging up a number of formulas will only make you more apprehensive about the subject. Rather, if you try and understand where they come from, you will start enjoying physics and its applications!
Why should students opt for Aakash NCERT Solutions to prepare for CBSE Class 12 Physics?
NCERT Class 12 Physics Solutions by Aakash is the perfect aid for students aiming to score well in their board exams. As it is created by qualified subject matter experts of Aakash as per the latest class 12 CBSE Physics Syllabus, students will find it really helpful to ace their Board Class.
