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NCERT Class 12 Physics Notes - Download Chapter-wise Free PDFs

NCERT Class 12 Physics Notes - Download Chapter-wise Free PDFs

Edited By Vishal kumar | Updated on Jan 23, 2024 11:10 AM IST

Welcome to your Class 12 Physics resource! These class 12 physics notes are your ticket to success if you want to pursue engineering, medical, or other related fields. Class 12 Physics is more than just exams; it is a stepping stone to exciting opportunities in the future.

Our chapter-by-chapter physics notes for class 12 will be your secret weapon. Class 12 Physics chapters notes discuss all the chapters covered in the class 12 NCERT book. CBSE class 12 Physics chapters notes contain systematic explanations of topics using examples and exercises. We simplify each topic by avoiding jargon and providing straightforward explanations. We want you to understand these concepts rather than just memorise them for exams. Consider it like building your superhero physics brain!

These class 12 physics notes pdf are written in an easy-to-understand and well-explained manner by highly qualified subject experts from careers360. Prepare to confidently ace physics!

And the cherry on top? These physics notes for class 12 pdf free download are available. You are free to study whenever and wherever you want. Let's go over Class 12 Physics together. Prepare for a journey full of physics fun and understanding.

Also, students can refer,

NCERT solutions for class 12 Physics chapters

NCERT Exemplar solutions for class 12 Physics chapters

Subject-wise NCERT notes

CBSE Class 12 Physics Notes for All Chapters

The CBSE Class 12 Physics book contains 15 chapters, and we have comprehensive Class 12 CBSE Notes for each one. These notes will help you ace the board exam by providing a handy resource for quick revision and a solid chapter overview.

Consider these class 12 physics notes pdf to be a shortcut to key points and formulas. Whether you're preparing for exams or just need a refresher, these notes make it simple to skim through important information. They are intended to make your preparation for the Class 12 Physics board exam easier and more confident.

NCERT Class 12 Physics Chapter Wise Notes

NCERT physics notes for class 12 include 15 chapters. Those chapters are listed as follows: Click the links below to get physics notes for class 12 pdf free download based on NCERT Class 12 Physics Syllabus.

The NCERT Class 12 Physics textbook for the academic year 2023-24 no longer includes the following chapter.

Chapter 1: ELECTRIC CHARGES AND FIELDS

The physics notes for class 12 chapter 1 go into detail about fundamental concepts like the Basic Properties of Electric Charge, Coulomb's Law, and Forces between Multiple Charges. Furthermore, these Class 12 Physics Chapter 1 notes define key terms such as Electric Field, Electric Flux, Electric Dipole, and the behaviour of a Dipole in a Uniform External Field. The notes also cover topics such as Continuous Charge Distribution, Gauss' Law, and the Application of Gauss' Law, providing students with a thorough understanding of the fundamental principles of electric charges and fields.

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Chapter 2: ELECTROSTATIC POTENTIAL AND CAPACITANCE

The NCERT Class 12 Physics Chapter 2 notes cover a wide range of topics, including electrostatic potential, potential due to a point charge, and potential due to an electric dipole. These notes also discuss potential due to a System of Charges, Equipotential Surfaces, and Potential Energy in an External Field. Furthermore, the notes cover Dielectrics and Polarisation, Capacitors and Capacitance, as well as details about the Parallel Plate Capacitor. The notes conclude with information on Capacitor Energy Storage and a discussion of the Van de Graaff Generator. This comprehensive coverage provides students with a firm understanding of the key concepts outlined in Chapter 2 of the Class 12 Physics NCERT textbook.

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Chapter 3: CURRENT ELECTRICITY

Physics notes for class 12 chapter 2 for CBSE cover important topics such as Electric Current, Ohm's Law, and insights into Electron Drift, as well as an exploration of the Origin of Resistivity. These notes expand on the Resistivity of Different Materials and delve into topics such as the Temperature Dependence of Resistivity. In addition, the notes cover Electrical Energy, Power, and explain Series and Parallel circuits. The extensive coverage includes the study of Cells, emf, and Internal Resistance, as well as scenarios involving Cells in Series and Parallel. Additionally, the notes explain Kirchhoff's Laws, the Wheatstone Bridge, the Metre Bridge, and the Potentiometer, providing students with a thorough understanding of the core concepts outlined in Chapter 3 of CBSE Class 12 Physics.

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Chapter 4: MOVING CHARGES AND MAGNETISM

The Class 12 Physics Chapter 4 notes cover a wide range of fundamental concepts, including the fundamental properties of magnetic force, motion in a magnetic field, and motion in a combined electric and magnetic field. These notes also cover the Magnetic Field caused by a Current Element, as well as an explanation of the Biot-Savart Law. The notes also cover topics such as the Magnetic Field on the Axis of a Circular Current Loop, Ampere's Circuital Law, and discussions on the Solenoid and Toroid. Students will also learn about the Force between Two Parallel Currents, the Ampere, Torque on Current Loop, Magnetic Dipole, and The Moving Coil Galvanometer. These notes are intended to provide students with a solid understanding of the core principles outlined in Chapter 4 of Class 12 Physics.

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Chapter 5: MAGNETISM AND MATTER

NCERT Class 12 Physics Chapter 5 notes provide in-depth explanations of key concepts such as the properties of a bar magnet and discussions on magnetism and Gauss's Law. These notes also delve into The Earth's Magnetism, delving into topics concerning the Earth's magnetic field. Furthermore, the notes discuss magnetisation and the Magnetic Properties of Materials. The discussion then moves on to Permanent Magnets and Electromagnets, providing students with a thorough understanding of the core principles outlined in Chapter 5 of the Class 12 Physics NCERT textbook.

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Chapter 6: ELECTROMAGNETIC INDUCTION

The CBSE Class 12 Physics Chapter 6 notes cover important topics, beginning with an explanation of Magnetic Flux and progressing to Faraday's Law of Induction. These notes also provide insights into Faraday and Henry's experiments, shedding light on the practical aspects of electromagnetic induction. In addition, the notes discuss key concepts such as Lenz's Law and the Conservation of Energy in the context of electromagnetic induction. Topics for further investigation include Motional Electromotive Force, Energy Consideration, Eddy Currents, Inductance, and the operation of an AC Generator. The notes aim to facilitate a thorough understanding of the core principles outlined in Chapter 6 of CBSE Class 12 Physics by comprehensively covering these concepts.

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Chapter 7: ALTERNATING CURRENT

The notes for Class 12 Physics Chapter 7 cover important aspects of Alternating Current (AC), including basic information. The notes explain how to apply AC voltage to resistors, how to represent AC current and voltage with rotating vectors, and how to apply AC voltage to inductors. The notes also cover power in alternating current circuits, alternating current voltage applied to capacitors, series LCR circuits, LC oscillations, and transformers. These notes are intended to provide a concise yet thorough understanding of the core concepts outlined in Chapter 7 of CBSE Class 12 Physics.

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Chapter 8: ELECTROMAGNETIC WAVES

The NCERT Class 12 Physics Chapter 8 notes concentrate on key concepts such as Displacement Current, Electromagnetic Waves, and the Electromagnetic Spectrum. These notes explain these topics in detail, giving students a thorough understanding of the fundamental principles outlined in Chapter 8 of the Class 12 Physics NCERT textbook.

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Chapter 9: RAY OPTICS AND OPTICAL INSTRUMENTS

The Class 12 Physics Chapter 9 notes for CBSE cover important optics topics. The notes explain light refraction by spherical mirrors, refraction, and total internal reflection. These notes also cover Refraction at Spherical Surfaces, Refraction by Lenses, and Refraction through a Prism. The topics are expanded to include Dispersion by a Prism and Natural Phenomena Caused by Sunlight. In essence, the purpose of these notes is to provide students with a thorough understanding of the fundamental principles outlined in Chapter 9 of CBSE Class 12 Physics.

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Chapter 10: WAVE OPTICS

The Class 12 Physics Chapter 10 notes delve into Huygens' principles, explaining the refraction and reflection of plane waves using Huygens' Principle. These notes also cover topics such as the Coherent and Incoherent Addition of Waves. The notes also contain definitions and explanations of the Interference of Light Waves and Young's Experiment, which shed light on the complex phenomenon of interference. Furthermore, the notes investigate Diffraction and provide information on the polarization of light. The notes aim to provide students with a solid understanding of the core concepts outlined in Chapter 10 of CBSE Class 12 Physics by comprehensively covering these principles.

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Chapter 11: DUAL NATURE OF RADIATION AND MATTER

The NCERT Class 12 Physics Chapter 11 notes explain Electron Emission in detail, with a focus on the Photoelectric Effect. These notes include an experimental investigation of the Photoelectric Effect, focusing on its fundamental principles. The notes also cover the Photoelectric Effect and the Wave Theory of Light, as well as Einstein's Photoelectric Equation and the concept of Photons. The notes also touch on Davisson's experiment and the Wave Nature of Matter. This comprehensive coverage aims to provide students with a thorough understanding of the core concepts outlined in Chapter 11 of the NCERT textbook for Class 12 Physics.

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Chapter 12: ATOMS

The NCERT Class 12 Physics Chapter 12 notes explain Alpha Scattering and Rutherford's Nuclear Model of the Atom. These notes also go over Atomic Spectra, delving into the fundamental principles of atomic spectral lines. The notes also include a brief explanation of the Bohr Model of the Hydrogen Atom, which covers topics like The Line Spectra of the Hydrogen Atom. The notes also cover DE Broglie's Explanation of Bohr's Second Postulate of Quantization, which contributes to a thorough understanding of the key concepts outlined in Chapter 12 of the Class 12 Physics NCERT textbook.

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Chapter 13: NUCLEI

The Class 12 Physics Chapter 13 notes for CBSE cover important topics like Atomic Masses and Nucleus Composition. These notes also delve into Nucleus Size, shedding light on its dimensions. The notes also cover the fundamentals of radioactivity, delving into the spontaneous emission of radiation from atomic nuclei. Furthermore, the notes discuss the concept of Nuclear Force, which contributes to a thorough understanding of the fundamental principles outlined in Chapter 13 of CBSE Class 12 Physics.

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Chapter 14: SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

The Class 12 Physics Chapter 14 notes cover various topics, starting with the Classification of Metals, Conductors, and Semiconductors. The notes also explore different Types of Semiconductors. Furthermore, the notes delve into the intricacies of the p-n Junction and provide explanations for Semiconductor diodes. Special attention is given to special-purpose p-n Junction Diodes, Junction Transistors, and a discussion on Digital Electronics. The notes conclude with insights into Integrated Circuits and Logic Gates. By encompassing these concepts, the notes aim to provide students with a comprehensive understanding of the core principles outlined in Chapter 14 of CBSE Class 12 Physics.

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Chapter 15: COMMUNICATION SYSTEMS

**The NCERT Class 12 Physics textbook for the academic year 2023-24 no longer includes this particular chapter.

NCERT Class 12 Physics Chapter 15 notes contain the explanation of Elements of a Communication System, Basic Terminology Used in Electronic Communication Systems, Bandwidth of Signals, Bandwidth of Transmission Medium. Topics such as Propagation of Electromagnetic Waves, Modulation and its Necessity, Production and detection of Amplitude Modulated Wave are discussed in this chapter.

Significance of NCERT class 12 Physics chapter-wise notes

Students benefit from having these CBSE Class 12 physics notes pdf because they can navigate through various physics concepts in a straightforward and efficient manner. These class 12 physics notes include all necessary diagrams, formulas, and derivations, serving as a comprehensive resource for students to become acquainted with important chapters and concepts. The inclusion of a quick chapter summary in these Plus Two Physics notes helps students save valuable study time.

In addition to using the CBSE Notes, students should practise solving previous years' question papers and sample papers. This practice helps students understand the exam pattern and familiarises them with the types of questions that may be asked.

Subject Wise NCERT Solution

Subject Wise NCERT Exemplar

Frequently Asked Question (FAQs)

1. Which chapter has the maximum marks in the NCERT board exam?

There is no particular chapter that is given the maximum marks for 12th Board Physics exams. But Electrostatics, Waves and Optics should be given more importance as the questions from these topics are common in the board examination.

2. How many chapters do we have in notes for Class 12 Physics chapters?

There are 15 chapters in NCERT notes for class 12 Physics. 

3. How are Class 12 Physics notes useful according to NCERT notes for class 12 Physics chapters?

NCERT Class 12 Physics notes are valuable for students as they offer a clear understanding of concepts, align with the prescribed syllabus, and provide a structured and accessible resource for exam preparation. These notes include diagrams, formulas, and practice questions, aiding in comprehensive learning and quick revision.

4. How to download the NCERT notes for class 12 physics chapters online?

NCERT notes for class 12 physics pdf can be downloaded from the careers360 website by clicking on the link which is given below.

Articles

Get answers from students and experts

A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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