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CBSE Class 12 Physics Notes: Chapterwise Formulas, Derivations & NCERT Solutions PDF

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Pooja Sharma

Senior Content Writer | Updated On - Mar 16, 2024

CBSE Class 12 Physics notes as per the latest CBSE Class 12 syllabus has been provided in this article. Students can make use of these CBSE Class 12 notes which consists of chapterwise important formulas, derivations, NCERT Solutions PDFs, example problems, laws and equations for their CBSE Class 12 Board exam preparation.


CBSE Class 12 Physics Notes & Syllabus

CBSE Class 12 Physics syllabus consists of 14 chapters classified under 9 units. The new CBSE Class 12 Physics syllabus for the AY 2022-23 is tabulated below.

Unit. No Unit Chapters Marks
I Electrostatics

Electric Charges and Fields

Electrostatic Potential and Capacitance

16
II Current Electricity

Current Electricity

III Magnetic Effects of Current and Magnetism

Moving Charges and Magnetism

Magnetism and Matter

17
IV Electromagnetic Induction and Alternating Currents 

Electromagnetic Induction

Alternating Currents

V Electromagnetic Waves

Electromagnetic Waves

18
VI Optics

Ray Optics and Optical Instruments

Wave Optics

VII Dual Nature of Radiation and Matter

Dual Nature of Radiation and Matter

12
VIII Atoms and Nuclei

Atoms

Nuclei

IX Semiconductor Electronic Devices

Semiconductor Electronics: Materials, Devices and Simple Circuits

7
Total 100

Class 12 Physics Notes for Chapter 1: Electric Charges and Fields

This chapter deals with the extensive studies related to Electric Charges and Fields. In this chapter the Gause’s law, Coulomb’s LawDipole in a Uniform External Field are also described. Here are the important notes from this chapter-

Expected Number of questions: 1 to 3 questions of 1 marks to 5 marks.

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Class 12 Physics Notes for Chapter 2: Electrostatic Potential and Capacitance

In this chapter the ideas of Electrostatic Potential and Capacitance is discuused with the related concepts such as- Van de Graff GeneratorPotential due to an Electric Dipole​. Important notes for Electrostatic Potential and Capacitance chapter include-

Expected Number of questions: 1 to 3 questions of 1 marks to 5 marks.

Also Read,

Class 12 Physics Notes for Chapter 3: Current Electricity

This chapter- Current Electricity includes the topics Electric CurrentWheatstone BridgePotentiometerResistor Colour Codes. In this chapter the students will be able to get expkanations of the concepts like- Ampere, Draft Velocity, and Electromotive Force. Here are the important topics from this chapter- 

Expected Number of questions: 1 to 3 questions of 1 marks to 5 marks.

Also Read,

Class 12 Physics Notes for Chapter 4: Moving Charges and Magnetism

In this Chapter, Moving Charges and Magnetism explained the basic concepts of Magnetism with the ideas of Lorentz ForceSavart LawAmpere’s Circuital LawHere are the important links from this chapter-

Expected Number of questions: 1 to 5 questions of 1 marks to 5 marks.

Also Read, 

Class 12 Physics Notes for Chapter 5: Magnetism and Matter

This chapter- Magnetism and Matter, includes the basic relationships between magnetism with various matters. In this chapter related concepts Magnetism and Gauss’s Law, Ferromagnetism, Magnetic Susceptibility, Magnetic Poles. The important topics from this chapter include-

Expected Number of questions: 1 to 5 questions of 1 marks to 5 marks.

Also Read,

Class 12 Physics Notes for Chapter 6: Electromagnetic Induction

With the references of the previous chapter, Electromagnetic Induction includes the explanations of the concepts like Magnetic Flux, Faraday’s Law of Induction, Lenz’s Law and Conservation of Energy. This chapter also includes the detailed studies of Unit of Magnetic FluxMotional emf. The important topics from this chapter include-

Expected Number of questions: 1 to 5 questions of 1 marks to 5 marks.

Also Read,

Class 12 Physics Notes for Chapter 7: Alternating Current

In this chapter the core concept related to Alternating Current are explained with topics like- TransformersPower FactorTypes of AC Motors. Here are the important topics from this chapter-

Expected Number of questions: 1 to 5 questions of 1 marks to 5 marks.

Also Read,

Class 12 Physics Notes for Chapter 8: Electromagnetic Waves

This chapter can be considered as the introductory chapter to the concept- Electromagnetic Waves along with the ideas of Maxwell EquationsGamma Radiation. Here are the other important topics from this chapter-

Expected Number of questions: 1 to 3 questions of 1 marks to 5 marks.

Also Read,

Class 12 Physics Notes for Chapter 9: Ray Optics and Optical Instruments

This chapter deals with the ideas of Refraction and Reflection. Here are the important topics related to  Ray Optics and Optical Instruments

Expected Number of questions: 1 to 3 questions of 1 marks to 5 marks.

Also Read, 

Class 12 Physics Notes for Chapter 10: Wave Optics

The chapter- Wave Optics chapter includes the study of the relations between lights and wave that helps it to spread. This chapter allso explains related concepts like- Huygens PrincipleBrewster's Law and Coherent Sources

Expected Number of questions: 1 to 3 questions of 1 marks to 5 marks.

Also Read, 

Class 12 Physics Notes for Chapter 11: Dual Nature of Radiation and Matter

This chapter introduced the concept of Dual Nature of Radiation and Matter. The related concepts like- Experimental Study of Photoelectric EffectEinstein’s Photoelectric Equation are explained as well. Here are the important topics from this chapter-

Expected Number of questions: 1 to 3 questions of 1 marks to 3 marks.

Also Read,

Class 12 Physics Notes for Chapter 12: Atoms

This chapter includes an in depth knowledge of Atoms along with other related concepts like Alpha Particle Mass, Modern PhysicsFermi Energy. Here are the important topics from this chapter-

Expected Number of questions: 1 to 3 questions of 1 marks to 3 marks.

Also Read, 

Class 12 Physics Notes for Chapter 13: Nuclei

This Chapter can be counted as the detailed study for the concept Nuclei. It also includes other important topics like- Beta Decay, Nuclear Physics, and Readioactive Decay. Here are some of the important topics from this cgapter-

Expected Number of questions: 1 to 3 questions of 1 marks to 3 marks.

Also Read,

Class 12 Physics Notes for Chapter 14: Semiconductor Electronics

In this chapter the basic concepts of Semiconductor Electronics are introduced along with other related concepts like- Transitor, Fullwave Rectifier, and Half Wave RectifierSome important topics from this chapter are mentioned below-

Expected Number of questions: 1 to 2 questions of 1 marks to 5 marks.

Also Read, 

Class 12 Physics Practicals

CBSE Class 12 Physics practicals has a weightage of 30 marks in total and the test shall be conducted for a duration of 3 hours. 

The distribution of marks for the Class 12 Physics practicals is tabulated below.

Evaluation Scheme for Practicals Marks
Two experiments 7 + 7
Practical Record 5
Activity 3
Investigatory Project  3
Class record and viva 5
Total  30

The list of Class 12 Physics practicals is listed below.

Popular Reference Books

Students can also make use of these additional resources for Class 12 Physics Notes where all the important numericals, formulas, equations and handwritten notes are available.

Also Check: 

Frequently Asked Questions

Ques. How to make effective CBSE Class 12 Physics Notes?

Ans.

  • Read the textbook thoroughly and understand the concepts.
  • Take concise notes while studying, focusing on key points, formulas, and derivations.
  • Use diagrams and flowcharts to visually represent complex concepts.
  • Organize your notes systematically by topic for easy reference.
  • Review and revise your notes regularly to reinforce learning.

Ques. What are the important topics for CBSE Class 12 Physics?

Ans. Some important topics for CBSE Class 12 Physics include:

  • Electrostatics
  • Current Electricity
  • Magnetic Effects of Current and Magnetism
  • Electromagnetic Induction and Alternating Currents
  • Electromagnetic Waves
  • Optics
  • Dual Nature of Radiation and Matter
  • Atoms and Nuclei
  • Semiconductor Electronics
  • Communication Systems

Ques. How to score well in CBSE Class 12 Physics with good notes?

Ans.

  • Understand concepts thoroughly by studying from reliable textbooks and reference materials.
  • Make concise and well-organized notes covering all topics.
  • Practice solving numerical problems and derivations regularly.
  • Refer to previous years' question papers and sample papers for practice.
  • Revise regularly and focus on weaker areas.
  • Seek help from teachers or online resources for clarification of doubts.

.

Ques. What are the key equations and derivations for CBSE Class 12 Physics?

Ans. Some key equations and derivations for CBSE Class 12 Physics include:

  • Coulomb's Law
  • Ohm's Law
  • Kirchhoff's Laws
  • Faraday's Laws of Electromagnetic Induction
  • Snell's Law of Refraction
  • Lens Maker's Formula
  • Newton's Law of Cooling
  • Half-life of Radioactive Substances

Ques. How to revise CBSE Class 12 Physics Notes effectively before exams?

Ans.

  • Create a revision schedule and allocate specific time slots for each topic.
  • Focus on revising important concepts, formulas, and derivations.
  • Solve previous years' question papers and sample papers to assess your preparation.
  • Use mnemonic devices or memory aids to remember key points.
  • Discuss doubts with teachers or study groups.
  • Take short breaks during revision sessions to avoid burnout.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.

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