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# NCERT Solutions for Physics Class 12

Last updated date: 11th Aug 2024
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## NCERT Solutions for Class 12 Physics Chapter-Wise PDF Free Download

Enhance your understanding and excel in exams with the updated NCERT Solutions for Class 12 Physics. These solutions comprehensively cover the entire syllabus, offering clarity on complex topics and reinforcing key concepts. Download the PDF for the academic year 2024-2025 and study at your convenience. Whether you need assistance with theoretical concepts or practical applications, these solutions provide step-by-step explanations and practice questions to facilitate learning. A notable advantage of Class 12 Physics NCERT solutions is their alignment with the prescribed curriculum. Additionally, you can check the updated NCERT Syllabus for Class 12 Physics, created by Vedantu Master Teachers.

Table of Content
1. NCERT Solutions for Class 12 Physics Chapter-Wise PDF Free Download
2. Chapter-Specific NCERT Solutions for Class 12 Physics
3. Glance on NCERT Solutions for Class 12 Physics | Vedantu
4. NCERT Solutions for Class 12 Physics Chapters Details, and Formulas and Concepts
4.1Chapter 1- Electric Charges and Fields:
4.2Chapter 2 - Electrostatic Potential and Capacitance
4.3Chapter 3 - Current Electricity
4.4Chapter 4 -  Moving Charges and Magnetism
4.5Chapter 5 - Magnetism and Matter
4.6Chapter 6 - Electromagnetic Induction
4.7Chapter 7 - Alternating Current
4.8Chapter 8 - Electromagnetic Waves
4.9 Chapter 9 - Optics and Optical Instruments
4.10Chapter 10 - Wave Optics
4.11Chapter 11 - Dual Nature of Radiation and Matter
4.12Chapter 12 - Atoms
4.13Chapter 13 -Nuclei
4.14Chapter 14  - Semiconductor Electronics: Materials, Devices and Simple Circuits
5. Class 12 Physics Exam: Marks Weightage
6. CBSE Class 12th New Plan 2024-25
7. Benefits of Refering to Vedantu’s NCERT Solutions for Class 12 Physics
8. Important Tips for Scoring Well in the Board Exams
9. CBSE Class 12 Physics Study Materials
FAQs

## Chapter-Specific NCERT Solutions for Class 12 Physics

Given below are the chapter-wise NCERT Solutions for Class 12 Physics. You can use it as your 12th Physics guide. Go through these chapter-wise solutions to be thoroughly familiar with the concepts.

Note: The chapters on Communication Systems have been excluded from the Class 12 Physics textbook for the 2024-25 academic year

## Glance on NCERT Solutions for Class 12 Physics | Vedantu

• NCERT Class 12 Physics Solutions for all the chapters and exercises from Chapters 1 to 14 are provided.

• Practicing the textbook questions using these solutions can help students analyze their level of preparation and understanding of concepts.

• The chapters are included according to the revised academic year 2024-2025 syllabus. Detailed, step-by-step solutions help in understanding complex concepts easily.

• The link also provides details about the exam pattern, marks weightage, and question paper design for CBSE Class 12 Physics.

• NCERT class 12 physics solutions - provides resources such as class notes, important concepts and formulas, exemplar solutions, and other recommended books for further reference.

Competitive Exams after 12th Science

## NCERT Solutions for Class 12 Physics Chapters Details, and Formulas and Concepts

### Chapter 1- Electric Charges and Fields:

In this chapter, students will get to learn about the electric fields, charges and their functional areas. 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.  The chapter gives insight into 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, Electric dipole, Electric flux, and Statement of Gauss’s theorem and its applications.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 1- Electric Charges and Fields to crack your exams.

• Coulomb's Law: $F = k_e \dfrac{|q_1 q_2|}{r^2}$

• Electric Field due to a Point Charge: $E = k_e \dfrac{q}{r^2}$

• Electric Field due to a Continuous Charge Distribution: $E = \dfrac{1}{4 \pi \epsilon_0} \int \dfrac{dq}{r^2}$

• Electric Potential Energy of a System of Two Point Charges: $U = k_e \dfrac{q_1 q_2}{r}$

• Electric Potential due to a Point Charge: $V = k_e \dfrac{q}{r}$

• Electric Field due to an Infinite Line Charge: $E = \dfrac{\lambda}{2 \pi \epsilon_0 r}$

• Electric Field due to an Infinite Plane Sheet of Charge: $E = \dfrac{\sigma}{2 \epsilon_0}$

• Electric Field Between Two Oppositely Charged Parallel Plates: $E = \dfrac{\sigma}{\epsilon_0}$

Students can access extra study materials on Electric Charges and Fields, These resources are available for download, offering additional support for your studies.

### Chapter 2 - Electrostatic Potential and Capacitance

We will learn about the potential difference and the development of electrostatic potential. Topics in this chapter include electric potential, Potential difference, Equipotential surfaces, A dipole and system of charges, Dielectrics and electric polarisation, Capacitors and capacitance, Energy stored in a capacitor, and Combination of capacitors in series and in parallel. 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.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 2- Electrostatic Potential and Capacitance to crack your exams.

• Electric Potential due to a Point Charge: $V = k_e \dfrac{q}{r}$

• Electric Potential due to a System of Point Charges: $V = k_e \sum_i \dfrac{q_i}{r_i}$

• Potential Energy of a Charge in an External Field: $U = qV$

• The capacitance of a Capacitor: $C = \dfrac{Q}{V}$

• Capacitance of a Parallel Plate Capacitor (without dielectric): $C = \dfrac{\epsilon_0 A}{d}$

• Capacitance of a Parallel Plate Capacitor (with dielectric): $C = \dfrac{\kappa \epsilon_0 A}{d}$

• Energy Stored in a Capacitor: $U = \dfrac{1}{2} C V^2$

• Work Done in Moving a Charge in an Electric Field: $W = q(V_f - V_i)$

Students can access extra study materials on  Electrostatic Potential and Capacitance, These resources are available for download, offering additional support for your studies.

### Chapter 3 - Current Electricity

This Chapter gives definitions of keywords such as resistance, Electric current, drift velocity, internal resistance, conductance, Ohm’s law, cell EMF, and resistivity in this chapter. Also learn about resistivity graphs for semiconductors, alloys, and metals. This will give you the concept of converting complex circuits into parallel circuits and simple series and also Kirchhoff’s laws and simple applications. This chapter also includes a basic explanation of the concepts of potentiometers, Wheatstone bridge,s and metre bridges. At the end of the chapter, there are several numerical problems and questions given based on the above-mentioned concepts.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 3 - Current Electricity to crack your exams.

• Ohm's Law: $V = IR$

• Resistance: $R = \dfrac{\rho L}{A}$

• Resistances in Series: $R_{\text{eq}} = R_1 + R_2 + \cdots + R_n$

• Resistances in Parallel: $\dfrac{1}{R_{\text{eq}}} = \dfrac{1}{R_1} + \dfrac{1}{R_2} + \cdots + \dfrac{1}{R_n}$

• Current Density: $J = \dfrac{I}{A}$

• Kirchhoff's First Law (Junction Rule): $\sum I_{\text{in}} = \sum I_{\text{out}}$

• Power Dissipated in a Resistor: $P = I^2 R = V^2 / R = IV$

• Conductivity: $\sigma = \dfrac{1}{\rho}$

• Temperature Dependence of Resistivity: $\rho(T) = \rho_0 [1 + \alpha (T - T_0)]$

Students can access extra study materials on  Current Electricity, These resources are available for download, offering additional support for your studies.

### Chapter 4 -  Moving Charges and Magnetism

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 Concept of the magnetic field, Oersted’s experiment, Ampere’s law and its applications, Biot – Savart law and its application, the Definition of ampere, Moving coil galvanometer-its current sensitivity, and Galvanometer as an ammeter and voltmeter. At the end of the chapter, there are numerous problems and questions given based on these concepts.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter  4 - Moving Charges and Magnetism to crack your exams.

• Magnetic Field at the Center of a Circular Loop: $B = \dfrac{\mu_0 I}{2R}$

• Torque on a Magnetic Dipole in a Uniform Magnetic Field: $\mathbf{\tau} = \mathbf{m} \times \mathbf{B}$

• Potential Energy of a Magnetic Dipole in a Uniform Magnetic Field: $U = -\mathbf{m} \cdot \mathbf{B}$

• Force between Two Parallel Current-Carrying Conductors: $F = \dfrac{\mu_0 I_1 I_2 L}{2 \pi d}$

• Cyclotron Frequency: $f = \dfrac{qB}{2\pi m}$

• Radius of the Path of a Charged Particle in a Magnetic Field: $r = \dfrac{mv}{qB}$

Students can access extra study materials on Moving Charges and Magnetism, These resources are available for download, offering additional support for your studies.

### Chapter 5 - Magnetism and Matter

In Chapter 5, students will find questions on magnetic field lines, earth’s magnetism, and compass direction. This chapter includes the 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, and Magnetic field lines.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 5 - Magnetism and Matter to crack your exams.

• Magnetic Dipole Moment of a Current Loop: $\mathbf{m} = I \mathbf{A}$

• Torque on a Magnetic Dipole in a Uniform Magnetic Field: $\mathbf{\tau} = \mathbf{m} \times \mathbf{B}$

• Potential Energy of a Magnetic Dipole in a Uniform Magnetic Field: $U = -\mathbf{m} \cdot \mathbf{B}$

• Magnetic Field due to a Magnetic Dipole (at Axial Point): $B_{\text{axial}} = \dfrac{\mu_0}{4\pi} \dfrac{2m}{r^3}$

• Magnetic Susceptibility: $\chi_m = \dfrac{M}{H}$

• Magnetization: $M = \chi_m H$

Students can access extra study materials on Magnetism and Matter, These resources are available for download, offering additional support for your studies.

### Chapter 6 - Electromagnetic Induction

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 Electromagnetic induction, Faraday’s laws, Lenz’s Law, Peak, and RMS values of alternating current/voltage, Eddy currents, Induced EMF and current, and Self and mutual induction. Keep in mind the magnetic field and the direction of induced EMF in mind while solving these questions.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 6 - Electromagnetic Induction to crack your exams.

• Faraday's Law of Electromagnetic Induction: $\mathcal{E} = -\dfrac{d\Phi_B}{dt}$

• Lenz's Law: The direction of the induced EMF and current is such that it opposes the change in magnetic flux that produced it. $\mathcal{E} = -\dfrac{d\Phi_B}{dt}$

• Magnetic Flux: $\Phi_B = \mathbf{B} \cdot \mathbf{A} = B A \cos \theta$

• Energy Stored in an Inductor: $U = \dfrac{1}{2} L I^2$

Students can access extra study materials on Electromagnetic Induction, These resources are available for download, offering additional support for your studies.

### Chapter 7 - Alternating Current

This chapter is comparatively smaller than other ones, teaching about AC voltage, series LCR circuits, powers and properties of AC circuits, inductors, transformers, LC oscillations, etc. In this chapter, students will learn about concepts such as Alternating currents, Power in, AC circuits: The power factor, Resonance, reactance, and impedance, LC oscillations (qualitative treatment only), LCR series circuit, and AC generator and transformer.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 7- Alternating Current to crack your exams.

• Alternating Current (AC) Voltage: $v(t) = V_0 \sin(\omega t + \phi)$

• Root Mean Square (RMS) Value of AC Voltage: $V_{\text{rms}} = \dfrac{V_0}{\sqrt{2}}$

• Root Mean Square (RMS) Value of AC Current: $I_{\text{rms}} = \dfrac{I_0}{\sqrt{2}}$

• Impedance in an RLC Circuit: $Z = \sqrt{R^2 + (X_L - X_C)^2}$

• Phase Angle in an RLC Circuit: $\tan \phi = \dfrac{X_L - X_C}{R}$

Students can access extra study materials on Alternating Current, These resources are available for download, offering additional support for your studies.

### Chapter 8 - Electromagnetic Waves

Electromagnetic waves are also based on the topic of magnetism, and your previous understanding will assist you in mastering this chapter.  In this chapter, students will learn in detail about concepts such as electromagnetism, capacitors, potential difference, and displacement. Other key concepts in this chapter include Kirchhoff’s rules, the RMS value of conduction current as well as the similarities between conduction current and displacement current.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 8 - Electromagnetic Waves to crack your exams.

• Speed of Electromagnetic Waves: $c = \dfrac{1}{\sqrt{\mu_0 \epsilon_0}}$

• Relation Between Electric Field (E) and Magnetic Field (B) in an Electromagnetic Wave: $E = cB$

• Energy Density of an Electromagnetic Wave: $u = \dfrac{1}{2} \epsilon_0 E^2 + \dfrac{1}{2} \dfrac{B^2}{\mu_0}$

Students can access extra study materials on Electromagnetic Waves, These resources are available for download, offering additional support for your studies.

### Chapter 9 - Optics and Optical Instruments

This chapter deals with the concepts of reflection and refraction as well as the 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.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 9 - Optics and Optical Instruments to crack your exams.

• Snell's Law: $n_1 \sin \theta_1 = n_2 \sin \theta_2$

• Lens Maker's Formula: $\dfrac{1}{f} = (n-1) \left( \dfrac{1}{R_1} - \dfrac{1}{R_2} \right)$

• Mirror Equation: $\dfrac{1}{f} = \dfrac{1}{v} + \dfrac{1}{u}$

• Magnification for Mirrors and Lenses: $m = \dfrac{h'}{h} = \dfrac{v}{u}$

• Power of a Lens: $P = \dfrac{1}{f}$

• Critical Angle: $\sin \theta_c = \dfrac{1}{n}$

• Lens Formula: $\dfrac{1}{f} = \dfrac{1}{v} - \dfrac{1}{u}$

Students can access extra study materials on Optics and Optical Instruments, These resources are available for download, offering additional support for your studies.

### Chapter 10 - Wave Optics

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, 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, and Interference and polarization.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 10 - Wave Optics to crack your exams.

Young's Double Slit Experiment (YDSE):

• Path Difference: $\Delta x = d \sin \theta$

• Condition for Constructive Interference (Bright Fringes): $\Delta x = n \lambda$

• Condition for Destructive Interference (Dark Fringes): $\Delta x = \left( n + \dfrac{1}{2} \right) \lambda$

• Fringe Width: $\beta = \dfrac{\lambda D}{d}$

• Condition for Minima: $a \sin \theta = n \lambda$

• Intensity of Interference Fringes: $I = I_1 + I_2 + 2\sqrt{I_1 I_2} \cos \phi$

Students can access extra study materials on Wave Optics, These resources are available for download, offering additional support for your studies.

### Chapter 11 - Dual Nature of Radiation and Matter

In this Chapter, 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 Einstein’s Photoelectric equation, electron emission, Dual nature of radiation, De-Broglie relation, Hertz and Lenard’s observations, Davisson and Germer experiment, Matter waves-wave nature of particles, the wave aspect of matter and experimental effect are discussed in this chapter.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 11 - Dual Nature of Radiation and Matter  to crack your exams.

• Photoelectric Equation: $K_{\text{max}} = h\nu - \phi$

• De Broglie Wavelength: $\lambda = \dfrac{h}{p} = \dfrac{h}{mv}$

• Einstein's Photoelectric Equation: $E = h\nu$

• Threshold Frequency: $\nu_0 = \dfrac{\phi}{h}$

• Stopping Potential: $eV_0 = K_{\text{max}}$

• Momentum of a Photon: $p = \dfrac{E}{c} = \dfrac{h\nu}{c} = \dfrac{h}{\lambda}$

Students can access extra study materials on Dual Nature of Radiation and Matter, These resources are available for download, offering additional support for your studies.

### Chapter 12 - Atoms

In chapter 12, one of the most important concepts is the Bohr Model of Hydrogen Atom. This chapter includes the Bohr model, Rutherford’s model of atom, Alpha-particle scattering experiment, Atomic spectra, The line spectra of the hydrogen atom, and De Broglie’s Explanation of Bohr’s Second Postulate of Quantisation

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 12 -Atoms  to crack your exams.

• Frequency of Radiation Emitted or Absorbed (Bohr's Frequency Condition): $h\nu = E_i - E_f$

• Wavelength of Emitted or Absorbed Light (Rydberg Formula): $\dfrac{1}{\lambda} = R \left( \dfrac{1}{n_1^2} - \dfrac{1}{n_2^2} \right)$

Students can access extra study materials on Atoms, These resources are available for download, offering additional support for your studies.

### Chapter 13 -Nuclei

Chapter 13 discusses concepts such as nucleus composition, mass-energy, nuclear force, nuclear energy, Fission, nuclear reactor, atomic masses, nucleus size, nuclear binding energy, and radioactivity.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 13 - Nuclei to crack your exams.

• Mass-Energy Equivalence: $E = mc^2$

• Radioactive Decay Law: $N(t) = N_0 e^{-\lambda t}$

• Mean Life: $\tau = \dfrac{1}{\lambda}$

• Activity (Rate of Decay): $A = \lambda N$

• Binding Energy per Nucleon: $E_{\text{bn}} = \dfrac{E_b}{A}$

• Mass Defect: $\Delta m = \left( Z m_p + N m_n \right) - m_{\text{nucleus}}$

Students can access extra study materials on Nuclei, These resources are available for download, offering additional support for your studies.

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

This is one of the highest-scoring chapters in Class 12 exams. Most questions from this chapter will be based on the concepts of Semiconductor diodes mainly n-type semiconductors, dopants, and carriers. True or false type questions about topics including germanium, carbon, and silicon semiconductors may also be asked from this chapter in the exam. 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 topics of Classification of metals, conductors, and semiconductors, Intrinsic and extrinsic semiconductors, Special purpose p-n junction diodes: Zener diode, Photodiode, LED, Solar cell, and Digital Electronics, and logic gates.

Class 12 NCERT solutions help the students to go through the formulas easily. Here find the Important formulas of Chapter 14  - Semiconductor Electronics: Materials, Devices and Simple Circuits to crack your exams.

• Ohm's Law for Semiconductor: $V = IR$

• Resistance of a Semiconductor: $R = \dfrac{\rho L}{A}$

• Conductivity: $\sigma = \dfrac{1}{\rho} = nq\mu$

• Intrinsic Carrier Concentration: $n_i = \sqrt{N_c N_v} e^{-\dfrac{E_g}{2kT}}$

• Total Current in a Semiconductor: $I = I_n + I_p = nq \mu_n E + pq \mu_p E$

Students can access extra study materials on Semiconductor Electronics: Materials, Devices, and Simple Circuits, These resources are available for download, offering additional support for your studies.

## Class 12 Physics Exam: Marks Weightage

Central Board of Secondary Education (CBSE) has given a complete syllabus for the academic year 2024-25. CBSE has made this alteration to provide deep knowledge about all the topics of the syllabus. The below table gives you the complete weightage of each topic in detail.

### CBSE Physics Class 12 Syllabus and Weightage

 Unit No. Name of Unit Marks Unit-I Electrostatics 16 Chapter 1 Electric Charges and Fields Chapter 2 Electrostatic Potential and Capacitance Unit-II Current Electricity Chapter 3 Current Electricity Unit-III Magnetic Effects of Current and Magnetism 17 Chapter 4 Moving Charges and Magnetism Chapter 5 Magnetism and Matter Unit-IV Electromagnetic Induction and Alternating Currents Chapter 6 Electromagnetic Induction Chapter 7 Alternating Currents Unit-V Electromagnetic Waves 18 Chapter 8 Electromagnetic Waves Unit-VI Optics Chapter 9 Ray Optics and Optical Instruments Chapter 10 Wave Optics Unit-VII Dual Nature of Radiation and Matter 12 Chapter 11 Dual Nature of Radiation and Matter Unit-VIII Atoms and Nuclei Chapter 12 Atoms Chapter 13 Nuclei Unit-IX Electronic Devices 7 Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits Total 70

## CBSE Class 12th New Plan 2024-25

The following are some major changes that are planned to be introduced in the new CBSE Exam Pattern:

• Question papers will be designed to assess students' problem-solving and analytical skills.

• The paper design will be revised to include more short answer-type questions, like those ranging from 1 to 5 points.

• Some vocational course exams might be held in February, and final board exams will be completed in March within 15 days.

• Following the early completion of boards, the results are likely to be announced earlier than the existing structure's schedule.

## Benefits of Refering to Vedantu’s NCERT Solutions for Class 12 Physics

The Vedantu’s Class 12 NCERT Solutions of Physics provided here in PDFs offer various benefits, including:

• The answers provided here are simple and straightforward.

• To facilitate comprehension, solutions are presented in phases.

• Students are provided diagrams to assist them visualise the solutions.

• All of the questions from each chapter are answered.

• Students are urged to prepare all of the chapters covered in the solution modules, as this will help them obtain a deeper understanding of subjects.

• For effective preparations, comprehend all of the processes outlined in the answers.

## Important Tips for Scoring Well in the Board Exams

Class 12 is an important class in most students’ school lives and is the first class where the students have to appear for a board exam. The class may seem daunting but if the students have been thorough with their studies or the whole academic year then it will not be difficult for them to score good marks at all. To achieve a good score it is necessary that the students keep the following tips and suggestions in mind for the whole year and especially while preparing for the exams.

### 1. Regular Revision is Key:

• Consistency in revising and practicing daily lessons is crucial.

• Regular practice ensures a better understanding and prevents topics from becoming overwhelming during exams.

### 2. Practice Extensively:

• Practice all examples and exercises in the NCERT book.

• Utilize solutions PDF for self-assessment and focus on areas with incorrect answers.

• Refer to Vedantu's solutions for additional practice and clarity.

### 3. Concept Clarity Matters:

• Seek teacher assistance for any doubts promptly.

• Utilize Vedantu's Solutions PDF for easy-to-understand explanations.

• Ensure a clear understanding of all concepts well in advance of exams.

### 4. Understand Syllabus and Paper Pattern:

• Familiarize yourself with the syllabus, topic weights, and exam pattern.

• This knowledge aids in efficient exam preparation.

### 5. Effective Time Management:

• Create a timetable considering topic weights and personal strengths/weaknesses.

• Set daily and weekly goals for focused and motivated study sessions.

• Include breaks for effective learning and retention.

### 6. Identify Strengths and Weaknesses:

• Allocate equal time to all topics; practice weaker areas more.

• Ensure confidence in every topic by thorough practice.

### 7. Note-taking for Consolidation:

• Write down theorems and formulas for consolidation and quick revision.

• Notes act as a reference point and aid in better memorization.

### 8. Class 12 Physics Resources:

• Master with our detailed class 12th Physics Guide.

• Practice sample papers and previous years' question papers.

• Understand the question patterns to prepare effectively.

• Vedantu's website offers sample papers for practice.

### 9. Prioritize Rest and Preparation:

• Ensure a good night's sleep and a healthy meal before the exam.

• Gather necessary materials the night before to avoid last-minute stress.

### 10. Exam Simulation for Time Management:

• Practice answering sample papers under timed conditions.

• Assess and improve time management skills to attempt all questions.

### 11. Presenting Answers Effectively:

• Answer questions in the order presented in the paper.

• Highlight final answers and relevant formulas for clarity.

• Avoid leaving any questions unattempted; partial answers can secure marks.

Following the above-mentioned tips and being sincere in your preparation will help you score good marks in the exams. Having a strong base in Physics in Class 12 is definitely beneficial for classes ahead and in the future. This will help you have an edge over others even in competitive exams. Most competitive exams have Physics sections and the questions generally asked pertain to what you may have learnt in school. Having a good grip over the formulas and the topics will definitely help you perform well in these exams as well.

## FAQs on NCERT Solutions for Physics Class 12

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 14 chapters in the NCERT book of class 12 Physics. The names are:

1. Electric Charges and Fields

2. Electrostatic Potential and Capacitance

3. Current Electricity

4. Moving Charges and Magnetism

5. Magnetism and Matter

6. Electromagnetic Induction

7. Alternating Current

8. Electromagnetic Waves

9. Ray Optics and Optical Instruments

10. Wave Optics

11.  Dual Nature of Radiation and Matter

12. Atoms

13. Nuclei

14. 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. 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.

6. 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.

7. 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.

8. Which is the hardest chapter in class 12 physics NCERT solutions?

The hardest chapter in class 12 physics NCERT solutions often varies from student to student, but many find "Electromagnetic Waves" and "Wave Optics" particularly challenging due to their complex concepts and mathematical derivations.

9. Are questions repeated in CBSE board exams for NCERT  physics class 12?

While exact questions are rarely repeated, similar types and patterns of questions often appear. It's beneficial to practice previous years' papers to understand the recurring themes and types of questions.

10. What type of questions are asked in NCERT solutions class 12 physics?

Questions in NCERT physics class 12 exam range from theoretical questions, numerical problems, and derivations to application-based questions and multiple-choice questions (MCQs). Emphasis is often on conceptual understanding and the ability to apply formulas and principles to solve problems.

11. How to get 100 marks in NCERT solutions for class 12 physics?

To score 100 marks in NCERT solutions for class 12 physics, focus on:

• Understanding concepts thoroughly.

• Regularly practicing numerical problems and derivations.

• Revising and solving previous years' question papers.

• Paying attention to important topics highlighted in the syllabus.

• Clarifying doubts promptly and consistently studying.

12. Which is the biggest chapter in class 12 physics NCERT solutions?

"Electrostatics" is often considered the biggest NCERT physics class 12 due to its extensive content, which includes numerous subtopics and detailed derivations.

13. Which part of physics class 12 NCERT physics class 12  solutions is the hardest?

The hardest part of NCERT physics class 12  solutions class 12 physics often depends on individual strengths and weaknesses, but many students find "Electromagnetism" and "Quantum Mechanics" to be particularly difficult due to their abstract concepts and complex mathematics.