CBSE Class 12 NCERT Physics Solutions PDF Download
Physics Class 12 is one of the most crucial subjects for science students. To score well in the board exams, you must have a thorough understanding of each chapter of the subject. The modern era is the result of the progress in Physics, and its laws are interpreted every day for more technological advancement. Solving and reviewing Class 12 Physics is made easier by the Class 12 Physics NCERT Solutions by Vedantu.
Many students tend to memorise the concepts rather than understanding them thoroughly, which rarely results in long-term retention. When it comes to preparing for their board exams, students should learn as well as understand all the concepts. Hence, they must refer to the appropriate study material. The NCERT Solutions for Class 12 Physics available on Vedantu is not only beneficial for boards but also for competitive exams like JEE, NEET, etc., as students can refer to it to properly understand the logic behind the concepts. Students can also download the Class 12 Physics NCERT Solutions in pdf format to access it later in offline mode.
NCERT Class 12 Physics contains a number of chapters that gives you an extensive idea of the different aspects of physical science. The NCERT Solutions for Class 12 Physics PDF comes in handy while providing a proper grasp of the subject matter. You can refer to the solution material to understand the complex concepts and also know how to write error-free answers. So, students can opt to download the free Physics NCERT Class 12 PDF to ace their board exams.
Along with board exams, it is also vital for competitive exams. Expert faculty curates these solutions to help students understand all the topics in detail, no matter their level of intelligence. The answers in the NCERT Physics solution are written in easy language to help students develop an in-depth understanding of the concepts, according to the exam pattern as well as syllabus, prescribed by CBSE. All the chapters from the NCERT textbook are covered in the solutions.
NCERT Solutions Class 12 Physics Chapters
There are 15 chapters in the Class 12 Physics NCERT book; brief information of the chapters are provided in the following section.
Physics Class 12: Chapter 1 Electric Charges and Fields
This is the first chapter in the Class 12 Physics textbook. In this chapter, students will get to learn about the electric fields, charges and their functional areas. In addition, you will also study the related laws and theorems like the Gauss’ Law. Some may find this chapter a bit difficult, but when you have Physics NCERT Class 12 PDF, comprehending and solving the questions will not be a problem.
From this chapter, questions can be asked from topics such as the calculation of force between two particles at a distance. Students will also learn why a charge appears when two materials like glass rod and silk cloth are rubbed against each other and how to calculate the dipole moment as well as the total charge of a system with an electric field and torque.
List of Topics Covered Under Chapter 1 Electric Charges and Fields
Coulomb’s law-force between two-point charges
Forces between multiple charges
Conservation of charge
Superposition principle and continuous charge distribution
Electric field lines
Electric field due to a point charge
Statement of Gauss’s theorem and its applications
Explore Study Materials for Class 12 Chapter 1 Electric Charges and Fields
Physics Class 12: Chapter 2 Electrostatic Potential and Capacitance
This is the second chapter in the Class 12 Physics textbook. In the second chapter, students will learn about the potential difference and the development of electrostatic potential. Moreover, this chapter consists of essential formulas and derivations, which you need to implement to solve the numerical questions.
By referring to the Class 12 Physics solutions available at Vedantu, students will gain a basic understanding of the electrostatic potential. Topics in this chapter include energy stored in a capacitor, potential energy of the system of charges and potential due to electric dipole. The solutions also include numerical problems on the effective capacitance of capacitors, solved step by step, according to the CBSE syllabus. These numerical problems, as well as concepts, are mentioned in the solutions in a simple and concise language so that students can understand everything easily and do well in their board exams.
List of Topics Covered Under Chapter 2 Electrostatic Potential and Capacitance
Electric potential due to a point charge
A dipole and system of charges
Conductors and insulators
Dielectrics and electric polarisation
Combination of capacitors in series and in parallel
Capacitors and capacitance
Energy stored in a capacitor
Explore Study Materials for Class 12 Chapter 2 Electrostatic Potential and Capacitance
This is the third chapter in the Class 12 Physics textbook. The chapter of Current Electricity comprises 15 topics that range from electric current to electric charge flow in varied conductors. Students are also introduced to Ohm’s law, drift velocity, resistivity, etc. You can refer to NCERT solutions to memorise and comprehend this unit.
Students will learn the definitions of keywords such as resistance, drift velocity, internal resistance, conductance, cell EMF, and resistivity in this chapter. They will also learn about resistivity graphs for semiconductors, alloys and metals. This will give them a firm grip on the concept of converting complex circuits into parallel circuits and simple series. This chapter also includes a basic explanation of the concepts of potentiometers and metre bridges. At the end of the chapter, there are several numerical problems and questions given based on the above-mentioned concepts.
List of Topics Covered Under Chapter 3 Current Electricity
The flow of electric charges in a metallic conductor
Electrical resistance, Electrical resistivity and Conductivity
Potential difference and emf of a cell
Potentiometer principle and its applications
Measurement of internal resistance of a cell
Kirchhoff’s laws and simple applications
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Physics Class 12: Chapter 4 Moving Charges and Magnetism
This is the fourth chapter in the Class 12 Physics textbook. This chapter discusses magnetic force and motion along a magnetic field. Magnetism is one of the most essential and critical concepts for the board exams; therefore, you need to put more focus on the same.
In this chapter, students will go through several diagrams, examples, graphs and illustrations from everyday life. This will help them retain information for a longer time. This chapter also includes the derivation of concepts like forces between two wires carrying current or Ampere’s Circuital Law. At the end of the chapter, there are numerous problems and questions given based on these concepts. These are very important and hold extra marks in the exam. Hence, students should practice these questions regularly, to get a good understanding of the chapter.
List of Topics Covered Under Chapter 4 Moving Charges and Magnetism
Concept of magnetic field
Ampere’s law and its applications
Biot – Savart law and its application
Definition of ampere
Moving coil galvanometer-its current sensitivity
Galvanometer as ammeter and voltmeter
List of Topics Covered Under Chapter 5 Magnetism and Matter
Current loop as a magnetic dipole - Magnetic dipole movement
Bar magnet as an equivalent solenoid
Earth’s magnetic field and magnetic elements
The magnetic dipole moment of a revolving electron
Magnetic field lines
List of Topics Covered Under Chapter 6 Electromagnetic Induction
Peak and RMS value of alternating current/voltage
Induced EMF and current
Self and mutual induction
List of Topics Covered Under Chapter 7 Alternating Current
Power in AC circuits: The power factor
Resonance, reactance, and impedance
LC oscillations (qualitative treatment only)
LCR series circuit
AC generator and transformer
List of Topics Covered Under Chapter 8 Electromagnetic Waves
Electromagnetic waves - their characteristics and nature
Electromagnetic spectrum with its elementary facts and its uses
List of Topics Covered Under Chapter 9 Ray Optics and Optical Instruments
Combination of thin lenses in contact
Power of a lens
Refraction of light
Refraction of light through a prism
Total internal reflection and its applications
Some natural phenomenon due to sunlight
Astronomical telescopes and their magnifying power
Microscopes (reflecting and refracting)
List of Topics Covered Under Chapter 10 Wave Optics
Wavefront and Huygen’s principle
Proof of laws of reflection and refraction using Huygen’s principle
Reflection and refraction of plane wave at a plane surface using wave fronts
Young’s double-slit experiment and expression for fringe width, the width of central maximum, diffraction due to a single slit.
Coherent sources and sustained interference of light
Interference and polarisation
List of Topics Covered Under Chapter 11 Dual Nature of Radiation and Matter
Dual nature of radiation
Einstein’s photoelectric equation-particle nature of light
Hertz and Lenard’s observations
Experimental study of photoelectric effect
Davisson and Germer experiment
Matter waves-wave nature of particles
List of Topics Covered Under Chapter 12 Atoms
Rutherford’s model of atom
Alpha-particle scattering experiment
The line spectra of the hydrogen atom
De Broglie’s explanation of Bohr’s Second Postulate of Quantisation
List of Topics Covered Under Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits
Classifictions of metals, conductors and semiconductors
Intrinsic and extrinsic semiconductor
Application of junction diode as a rectifier
Special purpose p-n junction diodes: Zener diode, Photodiode, LED, Solar cell
Digital Electronics and logic gates
Class 12 Physics Exam: Marks Weightage (Need to replace the existing table)
Central Board of Secondary Education (CBSE) has split the complete syllabus into two terms from the academic year 2021-22. CBSE has made this alteration to provide deep knowledge about all the topics of the syllabus. This methode will also help students to improve their logical and analytical skills. The below table gives you the complete weightage of each topic in each term in detail.
Revised Term I CBSE Class 12 Physics Syllabus and Weightage
Name of Unit
Electric Charges and Fields
Electrostatic Potential and Capacitance
Magnetic Effects of Current and Magnetism
Moving Charges and Magnetism
Magnetism and Matter
Electromagnetic Induction and Alternating Currents
Revised Term II CBSE Class 12 Physics Syllabus and Weightage
Name of Unit
Ray Optics and Optical Instruments
Dual Nature of Radiation and Matter
Dual Nature of Radiation and Matter
Atoms and Nuclei
Semiconductor Electronics: Materials, Devices and Simple Circuits
Explore Study Materials for Class 12 Chapter 4 Moving Charges and Magnetism
This is the fifth chapter in the Class 12 Physics textbook. This chapter makes you study magnetism in detail. But, to comprehend these concepts, you must have a clear understanding of the previous chapters. Moreover, the NCERT Physics solution can guide you to be well-accustomed to laws and mathematical derivations of the same.
In chapter 5, students will find questions on magnetic field lines, earth’s magnetism, and compass direction. Students can refer to the NCERT Class 12 Physics solutions available on Vedantu to find the answers to these questions. In addition to this, students can also learn about interstellar space, its weak magnetic field, and the magnetic moment of a solenoid.
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Physics Class 12: Chapter 6 Electromagnetic Induction
This is the sixth chapter in the Class 12 Physics textbook. In chapter 6, the concepts of magnetism and electricity are explained in correlation to each other. Some of the most important concepts in this chapter are Lenz’s Law and Faraday’s Law. Questions and numerical problems based on this concept are also included in this chapter for the reference of students. They should solve these questions to understand the topics efficiently. They should also keep in mind the magnetic field and the direction of induced EMF in mind while solving these questions.
Explore Study Materials for Class 12 Chapter 6 Electromagnetic Induction
This is the seventh chapter in the Class 12 Physics textbook. This chapter is comparatively smaller than other ones, teaching about AC voltage, series LCR circuit, powers and properties of AC circuit, inductors, transformers, LC oscillations, etc.
In this chapter, students will learn about concepts such as applying AC voltage to an inductor, series LCR circuit, resistor and capacitor as well as a transformer. There are several graphs and diagrams given in the chapter, with the help of which, students can understand the concepts thoroughly. With regular practice, students will surely be equipped to solve the tough numerical problems as well as questions that are asked in the exam from this chapter. This chapter is important from the viewpoint of not only board exams but also competitive exams. Hence, if students focus on this chapter properly, they can score well in both exams.
Explore Study Materials for Class 12 Chapter 7 Alternating Current
This is the eighth chapter in the Class 12 Physics textbook. Electromagnetic waves are also based on the topic of magnetism, and your previous understanding will assist you in mastering this chapter. Still, if you find it difficult comprehending the same, the NCERT solutions are there for reference.
In this chapter, students will learn in detail about concepts such as electromagnetism, capacitor, potential difference and displacement. Other key concepts in this chapter include Kirchhoff’s rules, RMS value of conduction current as well as the similarities between conduction current and displacement current.
Explore Study Materials for Class 12 Chapter 8 Electromagnetic Waves
Physics Class 12: Chapter 9, 10 Ray Optics and Optical Instruments and Wave Optics
These two chapters are the ninth and tenth in the Class 12 Physics textbook. These two chapters are equally crucial for boards as the earlier ones. The first one deals with the concepts of reflection and refraction, and the second one involves Huygens’s Principle, Polarisation, Young’s experiment, etc.
In chapter 9, students study reflection, refraction as well as dispersion of light with the help of ray pictures. This chapter thoroughly explains image generation using the laws of refraction and reflection. The construction as well as the working of several optical instruments, including the human eye, is also addressed in this chapter. The natural phenomena occurring due to sunlight is another key concept in this chapter that students should study.
In chapter 10, the most important concept is Huygen’s laws of reflection and refraction. This topic has the highest weightage of marks from this chapter. Other concepts in this chapter include Brewster’s Law, Doppler Effect and angular width expression. These are discussed along with appropriate examples for the understanding of students. It is recommended that students go through all the derivations and theories in this chapter as well as solve all the numerical problems and questions of this chapter.
Explore Study Materials for Class 12: Chapter 9, 10 Ray Optics and Optical Instruments and Wave Optics
Physics Class 12: Chapter 11 Dual Nature of Radiation and Matter
This is the eleventh chapter in the Class 12 Physics textbook. Here, you will get to know whether radiation is similar to a particle, wave or both in property and appearance. In addition, it also consists of concepts like photoelectric effects, Wave theory, Wave nature, etc.
Important topics such as the photoelectric effect, Einstein’s Photoelectric equation, electron emission, the wave aspect of matter and experimental effect are discussed in this chapter. Students should pay more attention to the numerical problems from this chapter. They should keep in mind that most questions in their Class 12 Physics board exam will be asked from the NCERT Physics textbook. Hence, they should go through all the chapters and solve all the questions from the textbook. This is the key to scoring good marks in the exam.
Explore Study Materials for Class 12 Chapter 11 Dual Nature of Radiation and Matter
These two chapters are the twelfth and thirteenth in the Class 12 Physics textbook. By going through these chapters, you will get introduced to the basic structure of our surroundings, nuclear energy, radioactivity, etc.
In chapter 12, one of the most important concepts is the Bohr Model of Hydrogen Atom. Students should make sure to learn all the important formulas and concepts in this chapter. When solving numerical problems, ensure that all the steps are shown in the answer. This is because, according to the CBSE marking scheme, students will receive marks for the steps shown in answer to numerical problems, even if their answer is incorrect.
Chapter 13 discusses concepts such as nucleus composition, mass-energy, nuclear force, nuclear energy, atomic masses, nucleus size, nuclear binding energy, and radioactivity. Making notes and a separate formula and definitions notebook is one of the best ways to prepare for the Class 12 Physics board exam. Every topic in the Physics Class 12 syllabus is essential, as questions in the competitive exams and the board exam will be asked from the same.
Explore Study Materials for Class 12 Chapter 12, 13 Atoms and Nuclei
Physics Class 12: Chapter 14 Semiconductor Electronics: Devices, Materials and Simple Circuits
This is the fourteenth chapter in the Class 12 Physics textbook. This unit deals with semiconductors, their types, insulators and their applications. It is one of the most scoring chapters in Class 12 exams.
Most questions from this chapter will be based on the concepts of n-type semiconductors, dopants and carries. True or false type questions about topics including germanium, carbon and silicon semiconductors may also be asked from this chapter in the exam. The method to determine the energy gap is another key concept in this chapter. Students should learn how to determine the output frequency of a half-wave as well as a full-wave rectifier thoroughly, as questions will be asked on this topic. This chapter contains several extra exercises that have questions on finding the number of electrons and holes in the atoms of arsenic, indium and silicon.
Explore Study Materials for Class 12 Chapter 14 Semiconductor Electronics: Devices, Materials and Simple Circuits
This is the fifteenth chapter in the Class 12 Physics textbook. The last chapter will give you detailed information about communication systems and their elements.
Concepts in this chapter include communication systems, classification of communication systems into Technology, Media and Application Area, and the components of modern electronics including sensors, emitters, transducers and amplifiers. To have a firm grasp of these concepts, students should refer to the study material available on Vedantu.
Explore Study Materials for Class 12 Chapter 15 Communication System
The following table represents the marks distribution of Class 12 Physics:
Class 12 Physics Exam: Marks Weightage
Learn the Smart Way with Vedantu’s Latest NCERT Solutions for Class 12 Physics!
At Vedantu, students can find carefully compiled keynotes for each chapter, along with the important formulas and concepts. They can also refer to the latest NCERT Solutions for Class 12 Physics provided by Vedantu, as several queries that students may have are addressed in it. The keynotes and solutions have been compiled after extensive research and input from experts on the subject, making it one of the most reliable study materials amongst other online resources and solutions. Students will find a step-by-step explanation of each concept, numerical problem and derivations given in the textbook in the Vedantu NCERT Class 12 Physics solutions.
The Key Features of Vedantu’s NCERT Physics Solutions for Class 12 are –
Answers to all numerical problems in the textbook are given with a step-by-step explanation.
Free unlimited downloads.
Extensively detailed answers to all theoretical as well as logical reasoning questions from the NCERT Physics textbook of Class 12 that are verified by several experts of the subject.
For their ease, students can bookmark this link in their browser, so that they can quickly access the Class 12 Physics NCERT Solutions whenever they want.
Why Study Class 12 Physics NCERT Solutions?
Following are some advantages of preparing from NCERT solutions:
Simple and accurate answers.
Curated by reputed scholars.
Covers all the complex and straightforward topics.
Therefore, with the help of the Physics Class 12 NCERT Solutions PDF study material offered by Vedantu, you can stay assured to score remarkably in the board exams.
Why Vedantu’s NCERT Solutions are Favoured by Toppers?
When it comes to NCERT solutions, Vedantu is the first choice for many CBSE students, owing to the precision and authenticity of the solutions. We make sure that the solutions are accurate and every student can benefit from them. Students can easily complete their Class 12 Physics syllabus with the help of the solutions provided by Vedantu. Here are some of the key features of the NCERT solutions we provide –
Provision of Several Types of Questions and Numerical Problems – All of us have heard the saying that “Practice makes a man perfect.” This is also applicable to the students of Class 12. Practising what they’ve learnt is the only way to score exceptional marks in the board exams. This not only enables them to identify weak and strong areas but also reduces their exam anxiety. At Vedantu, students will find chapter-by-chapter solutions. They can utilise these solutions online as well as offline.
Solutions Made by Highly Qualified Subject Experts – At Vedantu, we have highly qualified subject matter experts. They know how to convey the information succinctly. They make sure that the solutions are designed in such a way that students of Class 12 can easily understand and grasp everything. All the solutions are prepared according to CBSE’s board exam pattern, making them dependable and exam-friendly.
Accessible Any Time, Anywhere – Class 12 is a crucial milestone in every student’s life, which is why selecting the best study material for their preparation is critical. At Vedantu, we aim to instil a sense of confidence in students. Hence, we have developed the Class 12 NCERT Physics solutions in such a way that every query that a student might have is answered in them. Students can download the pdf format of our solutions and refer to it anytime, anywhere.
FAQs on NCERT Solutions for Class 12 Physics
1. How to Achieve Full Marks in Class 12 Physics Exam?
In order to ace the class 12 Physics exam, students are required to have a conceptual understanding of the entire subject matter. Though all the chapters are equally important, and you should not leave any particular section from your syllabus, there are some sections which you should emphasise on.
A substantial number of questions come from Chapters like Magnetism, Electrostatics, Optics, Communication systems, Semiconductors and Electronic Devices, etc. Students must also note down all the essential formulae, derivations and constant physical values; these will come handy during the revision before the exam. Moreover, you should follow the NCERT books to cover the whole Physics syllabus.
2. How Many Chapters are There in Physics Class 12 NCERT Book? Also, Write the Names.
In total there are 15 chapters in the NCERT book of class 12 Physics. The names are:
Electric Charges and Fields
Electrostatic Potential and Capacitance
Moving Charges and Magnetism
Magnetism and Matter
Ray Optics and Optical Instruments
Dual Nature of Radiation and Matter
Semiconductor Electronics Devices, Materials and Simple Circuits
3. What will a Student Learn in the First Laws of Motion?
The first laws of motion deal with force types, free body diagrams, Newton’s motion laws, equilibrium, constraint equations, pulleys, friction and pseudo force. Moreover, in this topic, students will get to learn about the three motion laws and the relationship between forces acting on the body and motion of the body.
Students will also get an idea about the conservation of momentum along with both initial and final velocity. This topic includes the different collision types, and linear motions like uniform and non-uniform linear motion, including the vector quantities. It is an important chapter that requires a thorough understanding.
4. Can I study from the NCERT Solutions for Class 12 Physics for the exam preparation?
NCERT Solutions for Class 12 Physics are given in detail on Vedantu Website and the app. All solutions are prepared by experts in easy to understand language. Students can refer to the NCERT Solutions for an easy understanding of the concepts given in Class 12 Physics. If students read the chapter from the NCERT textbook and then check the solutions, they can do better preparation for their exams.
5. What are the lessons in Class 12 Physics?
Lessons in Class 12 Physics include the following:
Chapter 1: Electric Charges And Fields
Chapter 2: Electrostatic Potential And Capacitance
Chapter 3: Current Electricity
Chapter 4: Moving Charges and Magnetism
Chapter 5: Magnetism and Matter
Chapter 6: Electromagnetic Induction
Chapter 7: Alternating Current
Chapter 8: Electromagnetic Waves
Chapter 9: Ray Optics and Optical Instruments
Chapter 10: Wave Optics
Dual Nature of Radiation and Matter
Chapter 12: Atoms
Chapter 13: Nuclei
Chapter 14: Semiconductor Electronics
Chapter 15: Communication Systems
6. Is Physics of Class 12 difficult?
Class 12 Physics is a vast subject. It includes a wide range of topics and derivations. But, if students study consistently and pay attention to the basic concepts they can score good marks in Physics Class 12. They should read each chapter attentively and should try to understand the concepts. They have to make a study plan for solving derivations as most chapters have derivations and can help score better.
7. Which is the most important chapter in Class 12 Physics?
All chapters in Class 12 Physics are important. Students should understand the concepts in Physics for getting good marks in exams and for entrance exam preparation. Students can download NCERT Solutions Class 12 Physics from the Vedantu website free of cost. NCERT Solutions Class 12 Physics can help students in understanding the concepts and scoring good marks. They can download PDF files and save them on their computer to refer to anytime for exam preparation.
8. Are Vedantu’s NCERT Solutions for Class 12 Physics free of cost and how to download the NCERT solutions?
Yes, Vedantu’s NCERT Solutions for Class 12 Physics are available free of cost. They need to follow the below steps to download Vedantu’s NCERT Solutions for Class 12 Physics
Visit the page-NCERT Solutions for Class 12 Physics.
Click on NCERT Solutions for Class 12 Physics.
Click on the chapter for which you want the solutions.
Click on the option download pdf.
Students can save these solutions free of cost on their computers and can refer to them offline.