NCERT Solutions For Class 12 Physics - Download Chapter Wise Solution PDF

NCERT
NCERT Solutions For Class 12 Physics - Download Chapter Wise Solution PDF

NCERT Solutions For Class 12 Physics - Download Chapter Wise Solution PDF

Vishal kumarUpdated on 23 Jun 2025, 04:03 PM IST

NCERT Solutions for Class 12 Physics help students to understand difficult chapters like electrostatics, optics, and magnetism very easy to understand. Careers360 follows the latest NCERT syllabus and helps you get ready for board exams and even for competitive exams like JEE and NEET. Class 12 Physics NCERT Solutions are organized chapter-wise. Solutions in each chapter are simple and clear. Careers360 NCERT Solutions for Class 12 Physics subject expert-made PDFs make tough topics easier and are perfect for quick revision before exams. Students can download the chapter-wise NCERT solutions for class 12 physics using the links provided in this article. This article also includes the benefits and unit-wise weightage of class 12 Physics.

Class 12 Physics NCERT Chapter-wise Solutions 2026- Download PDF Here

The NCERT solutions for all the chapters of Class 12 physics are provided here. The solution PDFs are also available for download and offline use. All solutions follow the methods and procedures explained in the textbook.

The NCERT Physics textbook for Class 12 consists of 14 chapters. The following section provides a brief overview of each chapter.

Chapter Name	Download PDF
Chapter 1 Electric Charges and Fields	Click Here
Chapter 2 Electrostatic Potential and Capacitance	Click Here
Chapter 3 Current Electricity	Click Here
Chapter 4 Moving Charges and Magnetism	Click Here
Chapter 5 Magnetism and Matter	Click Here
Chapter 6 Electromagnetic Induction	Click Here
Chapter 7 Alternating Current	Click Here
Chapter 8 Electromagnetic Waves	Click Here
Chapter 9: Ray Optics and Optical Instruments	Click Here
Chapter 10 Wave Optics	Click Here
Chapter 11 Dual Nature of Radiation and Matter	Click Here
Chapter 12 Atoms	Click Here
Chapter 13 Nuclei	Click Here
Chapter 14 Semiconductor Electronics, Materials, Devices, and Simple Circuits	Click Here

Physics Class 12 Unit-Wise Weightage (CBSE 2026)

Understanding the unit-wise weightage in Class 12 Physics helps students focus better on high-mark chapters. It gives a clear idea of which topics carry more importance in the final exam. The unit-wise weightage of class 12 physics for CBSE is given below:

Unit	Chapters	Marks
Unit I: Electrostatics	Chapter 1: Electric Charges and Fields Chapter 2: Electrostatic Potential and Capacitance	16
Unit II: Current Electricity	Chapter 3: Current Electricity	16
Unit III: Magnetic Effects of Current and Magnetism	Chapter 4: Moving Charges and Magnetism Chapter 5: Magnetism and Matter	17
Unit IV: Electromagnetic Induction and Alternating Currents	Chapter 6: Electromagnetic Induction Chapter 7: Alternating Current	17
Unit V: Electromagnetic Waves	Chapter 8: Electromagnetic Waves	18
Unit VI: Optics	Chapter 9: Ray Optics and Optical Instruments Chapter 10: Wave Optics	18
Unit VII: Dual Nature of Radiation and Matter	Chapter 11: Dual Nature of Radiation and Matter	12
Unit VIII: Atoms and Nuclei	Chapter 12: Atoms Chapter 13: Nuclei	12
Unit IX: Electronic Devices	Chapter 14: Semiconductor Electronics: Materials, Devices, and Simple Circuits	7
Total		70

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Overview of Class 12 Physics NCERT Textbook Chapters 2026

Chapter 1: Electric Charges and Fields

This chapter is the foundation for electrostatics. This chapter will help you learn about the interaction of electric charges and their external influence. This chapter also describes Gauss's law and its applications.

Important topics are:

Electric Charge and Conservation
Coulomb’s Law
Superposition Principle
Electric Field
Electric Field Lines
Electric Dipole
Electric Flux
Gauss’s Theorem and Its Applications

Chapter 2: Electrostatic Potential and Capacitance

This is the second chapter of the unit on electrostatics. Students will learn about energy and potential in this chapter. This chapter also introduces capacitors and energy storage mechanisms.

Important topics are:

Electric Potential and Potential Difference
Electric Potential due to Point Charge, Dipole, and System of Charges
Equipotential Surfaces
Electrical Potential Energy of Charge System and Dipole
Conductors and Insulators
Dielectrics and Electric Polarization
Capacitors and Capacitance
Combination of Capacitors (Series and Parallel)
Capacitance of Parallel Plate Capacitor (With/Without Dielectric)
Energy Stored in a Capacitor

Chapter 3: Current Electricity

The concept of electric current is introduced in this chapter. Students will learn about resistance, conductivity, which are essential for understanding the chapter. The chapter also explains the laws related to these topics

Important topics are:

Electric Current and Charge Flow in Conductors
Drift Velocity and Mobility
Ohm’s Law and V-I Characteristics
Electrical Energy and Power
Resistivity, Conductivity, and Temperature Dependence of Resistance
EMF, Potential Difference, and Internal Resistance of a Cell
Combination of Cells (Series and Parallel)
Kirchhoff’s Laws
Wheatstone Bridge

Chapter 4: Moving Charges and Magnetism

This chapter explores how moving charges create magnetic fields and how those fields affect other currents and magnets. It forms the foundation for understanding electric motors and electromagnetic force.

Important topics are:

Magnetic Field and Oersted’s Experiment
Biot–Savart Law and Applications
Ampere’s Circuital Law and Applications
Force on a Moving Charge in Magnetic and Electric Fields
Force on a Current-Carrying Conductor in a Magnetic Field
Force Between Two Parallel Current-Carrying Conductors (Definition of Ampere)
Torque on a Current Loop in a Magnetic Field
Current Loop as a Magnetic Dipole
Moving Coil Galvanometer and Its Conversions (Ammeter & Voltmeter)

Chapter 5: Magnetism and Matter

This is the second chapter of the unit on magnetic effects of current and magnetism. The concepts of magnetic intensity, susceptibility, and hysteresis are included in this chapter.

Important topics are:

Bar Magnet and Its Properties
Bar Magnet as an Equivalent Solenoid (Qualitative)
Magnetic Field Due to a Magnetic Dipole (Qualitative)
Torque on a Magnetic Dipole in a Uniform Magnetic Field (Qualitative)
Magnetic Field Lines
Magnetic Properties of Materials – Para-, Dia-, and Ferro-magnetism
Magnetization and Magnetic Materials
Effect of Temperature on Magnetic Properties

Chapter 6: Electromagnetic Induction

This chapter gives a foundation on electric generation. The chapter explains practical setups like transformers and generators, which are based on electromagnetic induction.

Important topics are:

Electromagnetic Induction
Faraday’s Laws of Electromagnetic Induction
Induced EMF and Current
Lenz’s Law
Self-Induction
Mutual Induction

Chapter 7: Alternating Current

This is the second chapter of the 4th unit. This chapter introduces alternating current (AC), the form of electricity used in homes and industries. Understanding these topics is important for students aiming for electrical engineering.

Important topics are:

Alternating Current (AC)
Peak and RMS Values of AC/Voltage
Reactance and Impedance
LCR Series Circuit and Phasor Representation
Resonance in AC Circuits
Power in AC Circuits and Power Factor
Wattless Current
AC Generator
Transformer

Chapter 8: Electromagnetic Waves

This is the only chapter in the fifth unit. The chapter introduces different types of waves in the electromagnetic spectrum, such as microwaves, infrared, visible light, and gamma rays

Important topics are:

Displacement Current (Basic Idea)
Electromagnetic Waves and Their Characteristics
Transverse Nature of Electromagnetic Waves (Qualitative)
Electromagnetic Spectrum
Uses of Different EM Waves (Radio, Microwave, IR, Visible, UV, X-rays, Gamma Rays)

Chapter 9: Ray Optics and Optical Instruments

This chapter explains how light behaves as rays that reflect and refract. Image formation, lens formula, and magnification are the key components of this chapter.

Important topics are:

Reflection of Light and Spherical Mirrors
Mirror Formula
Refraction of Light and Total Internal Reflection
Optical Fibres
Refraction at Spherical Surfaces and Lenses
Thin Lens Formula and Lens Maker’s Formula
Magnification and Power of a Lens
Combination of Thin Lenses in Contact
Refraction Through a Prism
Optical Instruments – Microscopes and Telescopes (Reflecting & Refracting)
Magnifying Power of Optical Instruments

Chapter 10: Wave Optics

This chapter dives into the wave nature of light. Interference, diffraction, and polarization are key topics.

Important topics are:

Wave Front and Huygen’s Principle
Reflection and Refraction Using Huygen’s Principle
Interference of Light
Young’s Double Slit Experiment (YDSE)
Fringe Width Expression (Final Formula Only)
Coherent Sources and Sustained Interference
Diffraction Due to Single Slit (Qualitative)
Width of Central Maximum (Qualitative)

Chapter 11: Dual Nature of Radiation and Matter

This chapter marks the transition from classical physics to quantum mechanics. The chapter explains important topics like the de Broglie hypothesis and the photoelectric effect.

Important topics are:

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 and de Broglie Relation

Chapter 12: Atoms

This chapter explains how the electrons are arranged in an atom and the structure of an atom. It helps explain why different elements emit different colors in flames or lights.

Important topics are:

Alpha-Particle Scattering Experiment
Rutherford’s Model of the Atom
Bohr’s Model of the Hydrogen Atom
Radius, Velocity, and Energy of Electron in nth Orbit
Hydrogen Spectrum (Qualitative Treatment)

Chapter 13: Nuclei

This chapter explains more about the nucleus. It introduces radioactivity and nuclear reactions, including fission and fusion. This chapter is important for understanding nuclear energy.

Important topics are:

Composition and Size of Nucleus
Nuclear Force
Mass-Energy Relation and Mass Defect
Binding Energy per Nucleon and Its Variation
Nuclear Fission
Nuclear Fusion

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

This chapter explains the basics of things that are the foundation for computers and other electronic devices. You’ll learn about intrinsic and extrinsic semiconductors, diodes, transistors, and logic gates.

Important topics are:

Energy Bands in Conductors, Semiconductors, and Insulators
Intrinsic and Extrinsic Semiconductors (p-type and n-type)
p-n Junction and Its Characteristics
Semiconductor Diode – I-V Characteristics (Forward and Reverse Bias)
Application of Diode–Rectifier

Benefits of Using Class 12 Physics NCERT Solutions 2026

There are many benefits to using the NCERT solutions for the Class 12 physics subject. Some benefits are given below:

The Class 12 physics NCERT solutions are really helpful for students who are studying for their board exams, as they strictly follow the NCERT syllabus.
The solutions are explained in a step-by-step manner, which helps students to understand complicated topics easily.
The language used in the solution is simple and easy to understand, which helps students understand difficult concepts.
Practicing with class 12 physics NCERT solutions will help students improve their performance and confidence.
Students can also improve their problem-solving abilities, which helps them to score better in board exams.

Also read,

Best Reference Books for Class 12 Physics Along With NCERT 2026

Students can refer to books other than the NCERT for preparation for board exams and entrance exams. After reading the NCERT thoroughly, students can refer to other books to understand the exam pattern, question types, and important topics that are frequently asked in the exam. The best reference books for class 12 physics are given in the following table along with their features:

Book Title	Author/Publisher	Key Features	Best For
Concepts of Physics (Vol I & II)	H.C. Verma	Clear concepts, solved & unsolved numericals, ideal for foundational understanding	Boards + JEE/NEET preparation
Fundamentals of Physics	Halliday, Resnick & Walker	Detailed theory with conceptual rigor includes challenging problems	Advanced learners, JEE prep
Objective Physics (Vol I & II)	D.C. Pandey (Arihant)	Objective questions, MCQs, topic-wise practice	NEET, JEE Main, & Boards
New Simplified Physics	S.L. Arora (Dhanpat Rai)	CBSE-aligned, easy explanation, numerous solved examples	Class 12 Board exam preparation
CBSE Chapterwise Solutions – Physics	S.K. Singh (Arihant/Oswaal)	Past years’ papers, chapter-wise solutions, board-oriented	Practice for CBSE board exams
The Feynman Lectures on Physics	Richard Feynman	Intuitive explanation, deeper understanding of physical principles	Conceptual enthusiasts, Olympiads

Tips to Study for Class 12 Physics Board Exam 2026

Students should go through the Class 12 physics syllabus to get familiar with the topics. This also helps them to create an effective study plan.
Students should understand the marking scheme for the Class 12 physics exam for their respective boards. This will help them to identify important topics that carry high weightage. It also helps them to understand the type and number of questions asked in the exam.
Create notes for every chapter and keep them in order. These notes will be useful for revision.
Prepare formula sheets for each chapter with important formulas that can be later used for practicing previous years' question papers and model papers.
Solve previous years' question papers to understand the question format and the important points and topics that are frequently asked in the exam. It also helps students to improve their problem-solving speed and time management.
Practice regularly to understand the concept better. Practising difficult derivations will help students memorize them.

NCERT solutions for class 12, subject-wise

Frequently Asked Questions (FAQs)

Q: How many chapters are there in Class 12 Physics 2026?

There are 14 chapters included in the NCERT Class 12 Physics textbook.

Q: Are Careers360 NCERT Solutions for physics class 12 free of cost and how to download the 12th physics soluution?

The NCERT class 12 physics solutions provided by Careers360 are free of charge. Students can save these solutions on their computers at no cost or refer to them offline.

Q: Whether the NCERT solutions of physics are helpful in exams like JEE or NEET?

The NCERT solutions of physics are helpful for both board exam and competitive exams like NEET and JEE main. NCERT solutions helps in better understanding of the subjects and the topics covered. Different level of questions are discussed in the NCERT Solutions for Class 12

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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) $0.67\; J$

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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 3.8×10⁷J 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

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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) $20,000 \, \, J - 50,000 \, \, J$

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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) $\; K\;$
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In the reaction,

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

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Option 1) 0.02	Option 2) 3.125 × 10^-2
Option 3) 1.25 × 10^-2	Option 4) 2.5 × 10^-2

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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.

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Option 1) Molality	Option 2) Weight fraction of solute
Option 3) Fraction of solute present in water	Option 4) Mole fraction.

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Option 1) twice that in 60 g carbon	Option 2) 6.023 × 10²²
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