JEE Main Important Physics formulas
ApplyAs per latest 2024 syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters
NCERT Syllabus for Class 12 Physics 2024-25- NCERT released the Class 12th Physics syllabus that is followed by different CBSE and State Board schools. CBSE strictly follows the NCERT Syllabus for Class 12 Physics 2024-25 to add value to their curriculum. Here, NCERT Class 12th Physics Syllabus 2024-25 is provided for the student's convenience.
Students must the CBSE 12th date sheet to prepare a study schedule before the examination. The syllabus contains detailed information about the CBSE 12th course structure, exam pattern, practicals, investigatory projects & other important details. Students must go through the NCERT Book for Class 12 Physics thoroughly to cover the entire syllabus. Read the article to know the in-depth details about the NCERT syllabus for Class 12 Physics 2024-25 along with the exam pattern and marking scheme.
CBSE Syllabus for Class 12 Physics 2024-25 acts as a key to preparing well for the students. Some of the benefits of the same are mentioned below:
NCERT syllabus is the common curriculum for most of the board exams and other exams such as the KVPY scholarship exam. Thus this will help candidates prepare for other exams as well, along with the 12th board.
The syllabus helps the students to prepare for the exams in a definite pattern and structure.
NCERT Syllabus for class 12 Physics 2024-25 gives a clear idea to a student about the important topics of the exam.
It also mentions the weightage of different units and chapters which helps to get an overview of the marks distribution in the exam.
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Below mentioned are the chapter-wise important topics of physics and the respective marking scheme.
Unit | NCERT Chapter-wise Solution | Important Topics | Marks |
I | Electrostatics | 17 | |
Chapter 1: Electric Charges and Fields | Electric Charges; Conservation of charge, Coulomb's law- force between two point charges, forces between multiple charges; torque on a dipole in a uniform electric field, 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, etc. | ||
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, Conductors and insulators, free charges and bound charges inside a conductor, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field, etc. | ||
II | Current Electricity | ||
Chapter 3: Current Electricity | Ohm's law, electrical resistance, V-I characteristics (linear and non-linear) Carbon resistors, Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current, electrical energy and power, electrical resistivity and conductivity, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance, etc | ||
III | Magnetic Effect of Current & Magnetism | 18 | |
Chapter 4: Moving Charges and Magnetism | Concept of magnetic field, Oersted's experiment. Biot - Savart law and its application to current carrying circular loop. Straight and toroidal solenoids (only qualitative treatment), force on a moving charge in uniform magnetic and electric fields, Cyclotron.Ampere's law and its applications to infinitely long straight wire, etc. | ||
Chapter 5: Magnetism and Matter | Current loop as a magnetic dipole and its magnetic dipole moment, magnetic dipole moment of a revolving electron, magnetic field lines; earth's magnetic field and magnetic elements, magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis, torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, etc | ||
IV | Electromagnetic Induction & Alternating Current | ||
Chapter 6: Electromagnetic Induction | Electromagnetic induction; Lenz's Law, Eddy currents. Self and mutual induction. Faraday's laws, induced EMF and current. | ||
Chapter 7: Alternating Current | Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; power factor, wattless current, LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, etc | ||
V | Electromagnetic Waves | 17 | |
Chapter 8: Electromagnetic Waves | Basic idea of displacement current, Electromagnetic waves, their characteristics, their Transverse nature (qualitative ideas only), etc | ||
VI | Optics | ||
Chapter-9: Ray Optics and Optical Instruments | Power of a lens, combination of thin lenses in contact, refraction of light through a prism. Reflection of light, spherical mirrors, mirror formula, refraction of light, total internal reflection and its applications, optical fibres, etc | ||
Chapter-10: Wave Optics | Young's double slit experiment and expression for fringe width, Wave front and Huygen's principle, Proof of laws of reflection and refraction using Huygen's principle, coherent sources and sustained interference of light, diffraction due to a single slit, reflection and refraction of plane wave at a plane surface using wave fronts. Interference, etc. | ||
VII | Dual Nature of Matter | 11 | |
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, etc. | ||
VIII | Atoms & Nuclei | ||
Chapter-12: Atoms | Alpha-particle scattering experiment; Bohr model, energy levels, hydrogen spectrum, Rutherford's model of atom. | ||
Chapter-13: Nuclei | Composition and size of nucleus, Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law, etc. | ||
IX | Electronic Devices | 7 | |
Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits | Semiconductor diode - I-V characteristics in forward and reverse bias, diode as a rectifier, Energy bands in conductors, semiconductors and insulators (qualitative ideas only), etc. | ||
Total | 70 |
Unit | NCERT Chapter-wise Solution | Important Topics | Marks |
I | Electrostatics | 17 | |
Chapter 1: Electric Charges and Fields | Electric Charges; Conservation of charge, Coulomb's law- force between two point charges, forces between multiple charges; torque on a dipole in a uniform electric field, 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, etc. | ||
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, Conductors and insulators, free charges and bound charges inside a conductor, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field, etc. | ||
II | Current Electricity | ||
Chapter 3: Current Electricity | Ohm's law, electrical resistance, V-I characteristics (linear and non-linear) Carbon resistors, Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current, electrical energy and power, electrical resistivity and conductivity, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance, etc | ||
III | Magnetic Effect of Current & Magnetism | 18 | |
Chapter 4: Moving Charges and Magnetism | Concept of magnetic field, Oersted's experiment. Biot - Savart law and its application to current carrying circular loop. Straight and toroidal solenoids (only qualitative treatment), force on a moving charge in uniform magnetic and electric fields, Cyclotron.Ampere's law and its applications to infinitely long straight wire, etc. | ||
Chapter 5: Magnetism and Matter | Current loop as a magnetic dipole and its magnetic dipole moment, magnetic dipole moment of a revolving electron, magnetic field lines; earth's magnetic field and magnetic elements, magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis, torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, etc | ||
IV | Electromagnetic Induction & Alternating Current | ||
Chapter 6: Electromagnetic Induction | Electromagnetic induction; Lenz's Law, Eddy currents. Self and mutual induction. Faraday's laws, induced EMF and current. | ||
Chapter 7: Alternating Current | Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; power factor, wattless current, LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, etc | ||
V | Electromagnetic Waves | 17 | |
Chapter 8: Electromagnetic Waves | Basic idea of displacement current, Electromagnetic waves, their characteristics, their Transverse nature (qualitative ideas only), etc | ||
VI | Optics | ||
Chapter-9: Ray Optics and Optical Instruments | Power of a lens, combination of thin lenses in contact, refraction of light through a prism. Reflection of light, spherical mirrors, mirror formula, refraction of light, total internal reflection and its applications, optical fibres, etc | ||
Chapter-10: Wave Optics | Young's double slit experiment and expression for fringe width, Wave front and Huygen's principle, Proof of laws of reflection and refraction using Huygen's principle, coherent sources and sustained interference of light, diffraction due to a single slit, reflection and refraction of plane wave at a plane surface using wave fronts. Interference, etc. | ||
VII | Dual Nature of Matter | 11 | |
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, etc. | ||
VIII | Atoms & Nuclei | ||
Chapter-12: Atoms | Alpha-particle scattering experiment; Bohr model, energy levels, hydrogen spectrum, Rutherford's model of atom. | ||
Chapter-13: Nuclei | Composition and size of nucleus, Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law, etc. | ||
IX | Electronic Devices | 7 | |
Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits | Semiconductor diode - I-V characteristics in forward and reverse bias, diode as a rectifier, Energy bands in conductors, semiconductors and insulators (qualitative ideas only), etc. | ||
Total | 70 |
NCERT Syllabus for Class 12 Other Subjects
The combined CBSE syllabus for the physics practical exam is mentioned below:
Particular | Marks in 2025 |
Two experiments, one from each section | 7+7 |
Practical record [experiments and activities] | 5 |
One activity from any section | 3 |
Investigatory Project | 3 |
Viva on experiments, activities and project | 5 |
Total | 30 |
The combined CBSE syllabus for the physics theory exam has not changed. Check out the CBSE 12th Physics theory syllabus marking pattern in the table below:
Unit No. and Name | Chapter/s Name | Marks |
---|---|---|
1. Electrostatics | Electric Charges and Fields Electrostatic Potential and Capacitance | 16 |
2. Current Electricity | Current Electricity | |
3. Magnetic Effect of Current & Magnetism | Moving Charges and Magnetism Magnetism and Matter | 17 |
4. Electromagnetic Induction & Alternating Currents | Electromagnetic Induction Alternating Currents | |
5. Electromagnetic Waves | Electromagnetic Waves | 18 |
6. Optics | Ray Optics and Optical Instruments Wave Optics | |
7. Dual Nature of Radiation and Matter | Dual Nature of Radiation and Matter | 12 |
8. Atoms and Nuclei | Atoms Nuclei | |
9. Electronic Devices | Semiconductor Electronics: Materials, Devices and Simple Circuits | 7 |
Total | 70 |
Try to give answers using pictorial or graphical representations as this way is more appealing and understandable.
Students are advised to practice numerical and derivations daily. The basic concepts must be clear to score high
Candidates should learn the S.I. units for all physical entities. This will make it easy for them to solve numerical.
Prefer making a list of derivations, formulae, and experiments so that students may go through them frequently. This will help them to remember the formulae well.
While solving a derivation, try to understand the logic behind them. Understanding the concept behind the derivation will help the candidates to broaden their technical knowledge.
After finishing the syllabus, students must solve questions from CBSE 12 sample papers and books like Exam Idea in Physics.
Students must read the NCERT Class 12 Physics Syllabus on a daily basis to become more familiar with the examination format.
The primary purpose for getting the Physics syllabus is to make your planning more organised and efficient. Examine all of the parts and their relative weightages. It will assist you in analysing the parts and proceeding appropriately. It will assist you in completing the curriculum quickly.
There are 9 units available in the CBSE Class 12 Physics Syllabus with 14 chapters.
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