Important Questions for Class 12 PhysicsJEE Mains & Advanced
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Class 12 Physics has 14 chapters that you should focus on the important topics of this subject. All the chapters have been chosen to develop the conceptual foundation among the students. These chapters will help you to choose your careers in the future. To make Physics easier, you can download and solve the Class 12 Physics Important Questions with Solutions to prepare the chapters completely. Learn how to solve such questions from the given solutions and take a step ahead of your board exams.
As we all know that Physics is an important subject within the consortium of science subjects and also equally tough for so many students. Physics is very crucial and absolutely imperative for any student to have strong fundamentals in Physics for students who wish to pursue their career in engineering be it mechanical, electrical or computers.
Our online platform offers students the facility to access these extra questions on our website with easiest answers. Class 12 physics extra questions chapter wise free PDF download are available for students to read and understand in a format that is easy for them to learn.
Overview of CBSE Class 12 Physics Chapter Details
Chapter 1 -Electric Charges and Field
In Chapter 1 of a standard Physics 12 textbook, you would typically study "Electric Charges and Fields." This chapter provides the foundational understanding of electric charges and the electric field and its associated fields, additivity of charges, transference of electrons ,charge conservation ,charge quantization, Gauss’s law, like this you will learn almost 13 different subtopics which are important for CBSE class 12th board exam with lots of derivations.
Introduction to Electric Charges: Explanation of fundamental charge, usually denoted as 'e' for the charge of an electron.
The concept of conservation of charge, where the net charge of a closed system remains constant.
Types of Charges: Distinguishing between positive and negative charges.
The behavior of like and unlike charges.
Coulomb's Law: Introduction to Coulomb's law, which describes the electrostatic force between two point charges.
Mathematical representation of the law and its significance.
Electric Field:Definition of the electric field as a property of the space around a charged object.
Calculation of electric field due to a point charge.
Electric Field Lines: Understanding and drawing electric field lines to represent the field's direction and strength.
Electric Field Intensity: Calculating the electric field intensity at a point in space due to one or more charges.
Electric Field Due to a System of Charges:
Determining the total electric field at a point resulting from multiple charges.
Properties of Electric Field Lines: Properties of electric field lines, such as their behavior around charges.
Electric Flux: Introducing the concept of electric flux and its significance in understanding electric fields.
Gauss's Law (briefly): A basic introduction to Gauss's law, a fundamental principle related to electric fields.
Chapter 2 – Electrostatic Potential and Capacitance
This is an important chapter for the CBSE board exams , read carefully from the extra questions for CBSE class 12 physics it consist so many important sub topics in NCERT text book and the most important subtopics are electrostatic potential difference between two points in an electric field, Relationship between electric field and potential,factors affecting electric fields . potential energy associated with the electric field.
This chapter is an essential part of understanding the behavior of electric charges and the principles behind capacitors, which are fundamental components in electrical circuits. It also lays the groundwork for further studies in electromagnetism and electronics.
Electrostatic Potential: Definition of electrostatic potential.
Relation between electric field and potential.
Potential due to a point charge.
Potential due to a system of point charges.
Electric Potential Energy: Calculation of electric potential energy.
Work done in moving a charge in an electric field.
Capacitance: Introduction to capacitance and capacitors.
Calculation of capacitance for various capacitor geometries.
Energy stored in a capacitor.
Dielectrics and their effect on capacitance.
Combination of Capacitors: Series and parallel combinations of capacitors.
Equivalent capacitance for combined capacitors.
Chapter 3 – Current Electricity
This topic is explained in the NCERT textbook very nicely. Students should read the theory from NCERT textbook to solve all questions given in the textbook. There are few important subtopics which require additional attention which are drift velocity, Ohm’s law, electric current and its derivations, and different relations between resistance.
Electric Current: Introduction to electric current as the flow of electric charge (usually electrons) through a conductor.
Conductors and Insulators: Explanation of materials that conduct electricity (conductors) and those that don't (insulators).
Electric Circuit: Introduction to electric circuits, which include a closed path for current to flow, and components such as resistors, capacitors, and inductors.
Ohm's Law: Explanation of Ohm's Law, which relates voltage, current, and resistance: V = I * R.
Resistance: In-depth discussion of resistance, its dependence on material, length, and cross-sectional area, and how it affects current flow.
Resistors: Types of resistors, their color codes, and how they are connected in circuits.
Series and Parallel Circuits: Comparison of series and parallel circuit configurations, and calculations for their total resistance and current.
Voltage and Current Sources: Explanation of voltage and current sources, such as batteries and generators.
Power in Electric Circuits: Introduction to electrical power, P = VI, and how it relates to energy consumption and generation.
Electrical Energy and Cost: Discussion of electrical energy consumption, units like kilowatt-hours, and the cost of electricity.
Kirchhoff's Laws: Introduction to Kirchhoff's current and voltage laws, which help analyze complex circuits.
Chapter 4 – Moving Charges and Magnetism
Chapters 4 Moving Charges and Magnetism is a very interesting and high attention taking chapter. In the NCERT textbook the topics are explained very well and there are some numericals too. If you find difficulties to solve these questions, you can refer to HC Verma for numericals. A few important subtopics are magnetic force and motion in a magnetic field, Biot-Savart’s Law, Ampere’s Circuital Law, Solenoid and the Toroid, motion in combined electric and magnetic fields.
Here's an overview of what you might find in such a chapter:
Introduction to Magnetism: The chapter often begins with an introduction to the concept of magnetism and its historical background.
Magnetic Fields: It covers the basic properties of magnetic fields, such as field lines, magnetic poles, and the Earth's magnetic field.
Magnetic Force on Moving Charges: This section explores how magnetic fields exert forces on moving charges through the Lorentz force equation.
Magnetic Force on Current-Carrying Wires: The chapter explains how currents in wires generate magnetic fields and how other currents or magnets can exert forces on these wires.
Magnetic Field Due to a Current: It delves into the creation of magnetic fields by currents in wires, including the Biot-Savart law and Ampère's circuital law.
Torque on a Current Loop and Magnetic Moment: You might learn how current loops in magnetic fields experience torques and how magnetic moments are defined.
Magnetic Materials: This section covers the behavior of materials in magnetic fields, including ferromagnetic, paramagnetic, and diamagnetic substances.
Earth's Magnetism and Compass Needle: It explores how the Earth's magnetic field affects compass needles and provides insights into Earth's magnetic poles.
Magnetic Effects of Electric Current: The chapter may discuss practical applications, such as electromagnets, solenoids, and devices like electric bells and galvanometers.
Magnetic Force on a Moving Charge in a Magnetic Field: It details how charged particles move in magnetic fields and describes their trajectories.
Cyclotron: You might encounter discussions on the principles of the cyclotron, a device used in particle acceleration.
Magnetic Field and Magnetic Dipole Moment: This section could delve into the magnetic dipole moment and its alignment in magnetic fields
Chapter 5 – Magnetism and Matter
This topic is an extension of chapter 4 and it consists of almost 7 subtopics as per the CBSE class 12th board objective questions are asked in previous year from this topic. Important subtopics in this chapter are bar magnet, Gauss’s Law, earth’s magnetism, properties of magnetic field lines.
Chapter 5 of a typical physics textbook on "Magnetism and Matter" covers a range of topics related to magnetism. Here's an overview of the key concepts you might find in this chapter:
Introduction to Magnetism: The chapter often starts with an introduction to the basics of magnetism, including the history of magnets and the discovery of magnetic materials.
Magnetic Fields: It covers the concept of a magnetic field, how it's produced by magnets, and how it affects other materials, especially ferromagnetic substances.
Magnetic Field Lines: The chapter explains the use of magnetic field lines to visualize and describe the magnetic field's direction and strength.
Magnetic Force: It discusses how magnetic fields exert forces on moving charged particles. The right-hand rule is often introduced to determine the direction of the magnetic force.
Magnetic Properties of Materials: Different types of materials and their response to magnetic fields are explored, such as diamagnetic, paramagnetic, and ferromagnetic materials.
Ferromagnetism: A significant portion of the chapter may focus on ferromagnetic materials, which have unique properties like hysteresis, and are used in making permanent magnets.
Earth's Magnetism: The chapter may touch upon the Earth's magnetic field, how it's generated, and its importance in navigation using compasses
Chapter 6 – Electromagnetic Induction
This chapter is crucial in understanding the fundamental principles behind devices like generators, transformers, and inductors and their applications in electrical and electronic systems.
Chapter 6 of typical physics "Electromagnetic Induction." Here's an overview of the main topics you might find in this chapter:
Introduction to Electromagnetic Induction: This section introduces the concept of electromagnetic induction and its importance in understanding the relationship between electricity and magnetism.
Faraday's Law of Electromagnetic Induction: This fundamental law explains how a changing magnetic field induces an electromotive force (EMF) in a conductor. You'll learn about the mathematical expression for this law.
Lenz's Law: Lenz's law is discussed in this section. It states that the direction of the induced current is such that it opposes the change in magnetic flux that produced it.
Motional EMF: This part might explain how the motion of a conductor in a magnetic field can induce an EMF. You'll learn about the factors affecting the magnitude of the induced EMF.
Induced Current and Magnetic Fields: You'll explore the concept of induced currents in various geometries and how they create magnetic fields of their own.
Inductance: The chapter might cover inductance, which is a measure of an element's ability to oppose changes in current. You'll learn about inductors and their behavior in AC circuits.
Self-Inductance and Mutual Inductance: These topics delve into the concepts of self-inductance (inductance in a single coil) and mutual inductance (interaction between multiple coils).
Induced EMF in Rotating Loops and Generators: This section discusses how rotating loops in a magnetic field generate EMF and introduces the basic principles of generators.
Eddy Currents and Eddy Current Losses: Eddy currents, which are induced circulating currents in conductive materials, and their energy losses are typically covered.
Chapter 7 – Alternating Current
This is an important chapter in terms of various derivations which are important and consist of 7 subtopics. A few important subtopics are AC and AC voltage applied to a resistor, LC Oscillations, transformers.
Chapter 7 provides a comprehensive understanding of AC circuits, including their behavior, analysis, and practical applications.
Chapter 7, titled "Alternating Current," typically covers the following topics in physics:
Introduction to AC: An introduction to the concept of alternating current (AC) is provided, highlighting the differences between AC and direct current (DC).
AC Waveforms: You'll learn about different types of AC waveforms, such as sinusoidal, square, and triangular waves. Sinusoidal AC is typically the focus due to its prevalence in electrical systems.
Amplitude, Frequency, and Period: The chapter discusses the terms associated with AC waveforms, including amplitude (peak voltage), frequency (measured in hertz), and period (the time it takes for one complete cycle).
AC Power and Power Factor: The calculation of AC power and power factor is discussed, which is essential for understanding power consumption in AC circuits.
Series and Parallel AC Circuits: You'll learn how to analyze AC circuits with resistors, capacitors, and inductors connected in series and parallel configurations.
Resonance: This section may cover resonance in AC circuits, where the impedance of a circuit is at its minimum, resulting in maximum current flow.
Transformers: The chapter may delve into the principles of transformers, including the turns ratio, primary and secondary voltage and current relationships, and transformer efficiency.
Power in AC Circuits: The chapter explains the concepts of real power, reactive power, and apparent power in AC circuits.
Chapter 8 – Electromagnetic Waves
Chapter 8 is crucial for understanding the fundamental properties and behaviors of electromagnetic waves, which have diverse applications ranging from radio communication and microwave ovens to X-ray imaging and more.
Chapter 8, "Electromagnetic Waves," typically covers the following topics in physics:
Introduction to Electromagnetic Waves: An overview of the nature and significance of electromagnetic waves, including their historical development and their place in the electromagnetic spectrum.
Maxwell's Equations: Discussion of Maxwell's equations, which describe the fundamental principles governing electromagnetic waves and their relationship to electric and magnetic fields.
Chapter 9 – Ray Optics and Optical Instruments
This is very conceptual chapter which need additional practice of numerical and this chapter has theory of Refraction, and Refraction, Reflection of Light by Spherical Mirrors, Ray Optics & Optical Instruments, refraction and dispersion by a prism.
Chapter 9 on "Ray Optics and Optical Instruments" is typically part of a class 12 physics curriculum, and it covers the following key topics:
Reflection of Light: This section introduces the principles of reflection, including the laws of reflection, reflection from plane mirrors, and the formation of images in mirrors.
Refraction of Light: You'll learn about refraction, Snell's law, and the behavior of light as it passes from one medium to another with different optical densities.
Refraction at Spherical Surfaces and Lenses: This part explores how light behaves when it passes through spherical surfaces and the basics of lens properties.
Refraction through Lenses: Details on the formation of images by converging (convex) and diverging (concave) lenses, along with lens formula and power of a lens.
Lensmaker's Formula: This section delves into the mathematical relationship for lenses and how they can be used to correct vision problems.
Power of a Lens: Explanation of the concept of the power of a lens, measured in diopters, and its application in vision correction.
Optical Instruments: Discussion of various optical instruments, including the microscope, telescope, and compound microscope, their working principles, and magnifying power.
Defects in Vision and their Correction: Information on common vision problems such as myopia (nearsightedness) and hypermetropia (farsightedness) and the use of corrective lenses.
Dispersion and Spectra: This part covers the phenomenon of dispersion, where light is split into its constituent colors, and its relevance in forming spectra.
Chapter 10 – Wave Optics
Before reading this chapter make sure you have clear concepts of chapter-9. There are a total of 8 subtopics in this chapter. A few of the important subtopics are Huygens Principle & Refraction and Reflection of Plane, Waves using Huygens Principle, Young’s Experiment, Polarisation.
Chapter 10, "Wave Optics," is a part of the class 12 physics curriculum and covers the following key topics:
Introduction to Wave Optics: This section provides an introduction to the wave nature of light and its fundamental principles.
Huygens' Principle: Huygens' principle explains how every point on a wavefront can be considered as a secondary source of spherical wavelets, leading to the formation of wavefronts.
Interference: Interference of light waves is explored, including the conditions for constructive and destructive interference and its application to various optical phenomena.
Young's Double Slit Experiment: Explanation and analysis of Thomas Young's famous double-slit experiment, which demonstrates the wave nature of light and results in the formation of interference patterns.
Diffraction: The phenomenon of diffraction, where light waves bend and spread as they encounter obstacles or apertures, is discussed. You'll learn about single-slit diffraction and diffraction grating.
Polarization: Polarization of light and the types of polarized light are explained, including the concept of unpolarized and polarized light.
Polarizers and Analyzers: How polarizers and analyzers work to control the polarization of light is detailed, including their applications in optical devices.
Chapter 11 – Dual Nature of Radiation and Matter
If you read atomic structure in class 11 chemistry you will find similarity in this chapter. A few important topics are Wave Nature of Matter ,Photoelectric Effect, Energy Quantum of Radiation ,Photoelectric Effect and Wave Theory of Light.
Chapter 11, "Dual Nature of Radiation and Matter," is part of the class 12 physics curriculum and covers the following key topics:
Introduction to Dual Nature: This section introduces the concept that both light and matter exhibit both particle-like and wave-like behavior, leading to the dual nature of radiation and matter.
Photoelectric Effect: Detailed explanation of the photoelectric effect, where electrons are emitted from a material when it is exposed to light, and the experimental observations related to it.
Einstein's Explanation: Albert Einstein's explanation of the photoelectric effect, which proposed that light consists of discrete packets of energy called photons, and the energy of a photon is proportional to its frequency.
Matter Waves: The concept of matter waves is introduced, including Louis de Broglie's hypothesis that particles, like electrons, also have a wave-like nature, with a wavelength inversely proportional to their momentum.
Davisson-Germer Experiment: An explanation of the Davisson-Germer experiment, which provided experimental evidence for the wave nature of electrons by demonstrating electron diffraction.
Wave-Particle Duality: Discussion of the wave-particle duality of particles and the challenges it posed to classical physics.
Heisenberg's Uncertainty Principle: Introduction to Heisenberg's Uncertainty Principle, which states that it is impossible to simultaneously know the exact position and momentum of a particle with arbitrary precision.
Quantization of Energy: Discussion of quantization of energy levels in atoms and the role of quantum numbers in describing electron energy states.
Bohr's Model of the Atom: An overview of Niels Bohr's atomic model, which explained the quantization of electron energy levels in hydrogen atoms.
Dual Behavior of Electrons: Further exploration of the dual behavior of electrons as both particles and waves, and its implications in atomic and subatomic physics.
Chapter 12 – Atoms
This chapter is an extension version of chapter 11 and consists of subtopics like Alpha-particle Scattering & Rutherford’s Nuclear Model of Atom, Atomic Spectra, De Broglie’s Explanation, Bohr Model of the Hydrogen Atom, Atomic Spectra.
This chapter is crucial for understanding the fundamental structure of matter and the behavior of electrons in atoms. It serves as the foundation for more advanced topics in quantum mechanics and atomic physics.
Rutherford's model of the atom: Understanding the shortcomings and limitations of this model.
Bohr's model of the hydrogen atom: Exploring the postulates of Bohr's model, quantization of angular momentum, and energy levels.
Hydrogen spectrum: Analyzing the spectral lines of hydrogen and their significance in understanding the quantized energy levels.
Dual nature of matter: Introducing the concept of wave-particle duality, de Broglie wavelength, and the Heisenberg Uncertainty Principle.
Quantum mechanical model of the atom: Discussing the Schrödinger equation, quantum numbers, and electron distribution in atoms.
Electronic configuration: Learning how to represent the arrangement of electrons in various atoms and ions.
Aufbau principle, Pauli exclusion principle, and Hund's rule: Understanding these principles governing the filling of electron orbitals.
Chapter 13 – Nuclei
This topic will help you to understand nuclear chemistry and will explain the different types of emission, alpha, beta and other types of emission with the stability of nucleolus. The concept of this chapter will be helpful for nuclear chemistry of class 12 chemistry.
This chapter provides a foundation for understanding the structure and behavior of atomic nuclei, nuclear reactions, and their practical applications in various fields, including energy production and medicine.
Here's a brief overview of the topics usually included:
Atomic Nucleus: Introduction to the atomic nucleus, its composition, and the forces acting within it, such as the strong nuclear force.
Nuclear Size and Mass: Discussing the size and mass of the nucleus in comparison to the atom as a whole.
Nuclear Stability: Factors affecting nuclear stability, including the role of protons and neutrons, and the concept of binding energy.
Radioactivity: An exploration of radioactive decay, types of radioactive emissions (alpha, beta, and gamma), and their properties.
Nuclear Reactions: Understanding nuclear reactions, such as nuclear fusion and fission, along with their applications and energy release.
Nuclear Energy: The generation of nuclear energy, nuclear power plants, and their advantages and disadvantages.
Nuclear Forces: In-depth study of the strong nuclear force, its range, and its role in binding protons and neutrons in the nucleus.
Nuclear Models: Introduction to nuclear models like the liquid drop model and the shell model to explain nuclear structure.
Nuclear Decay: Calculation of decay constant, half-life, and decay law for radioactive substances.
Chapter 14 Semiconductors electronics: Material, Devices and Simple Circuits
This chapter provides a fundamental understanding of semiconductors, their role in modern electronics, and the operation of semiconductor devices. It forms the basis for advanced topics in electronics and solid-state physics.
Chapter 14 of a Class 12 physics textbook typically focuses on semiconductors and their properties. Here's an overview of the key topics covered in this chapter:
Introduction to Semiconductors: An introduction to the concept of semiconductors, their properties, and their importance in electronic devices.
Energy Bands in Solids: Explanation of energy bands in solids, including the valence band and the conduction band, and how they relate to the electrical behavior of materials.
Intrinsic Semiconductors: Discussion of intrinsic semiconductors, their electrical conductivity, and the concept of energy band gap.
Extrinsic Semiconductors: Introduction to extrinsic semiconductors, which are doped with specific impurities to enhance their electrical properties, including n-type and p-type semiconductors.
PN Junction: Explanation of the formation and behavior of the PN junction, which is a fundamental building block of semiconductor devices like diodes and transistors.
Semiconductor Diode: Detailed study of semiconductor diodes, their characteristics, and their applications in rectification and as light-emitting diodes (LEDs).
Application of Diodes: Discussion of practical applications of diodes, such as in voltage regulation and signal clipping.
Digital Electronics: Basics of digital logic gates and their applications in digital circuits.
Integrated Circuits: Overview of integrated circuits (ICs), including their types and applications.
Benefits of Solving CBSE Class 12 Physics Important Questions
Here are some reasons why our Physics Class 12 CBSE (NCERT) board important questions will beneficial for your board examinations:
These class 12 physics extra questions made by our expert teachers in India who draft the answers to the questions.
The 12th physics important questions with answers pdf has chosen in every chapter are carefully picked after a lot of deliberation and research.
The answers are detailed and explanatory making it very easy for students to learn and recall topics very easily.
Our important questions for Class 12 Physics with answers Chapter-wise with solutions for free PDF to download helps save a lot of time for students.
How to Solve Class 12th Physics Numerical Questions to score more marks?
To score more marks in Class 12th Physics numerical questions, you can follow these strategies:
First, ensure a solid understanding of the underlying physics concepts related to the numerical problems. Read your textbooks and class notes thoroughly.
Practice is key. Solve a wide range of numerical problems from your textbook, reference books, and question banks.
Classify numerical problems based on topics and difficulty levels. Start your paper with easier problems and gradually move to more challenging ones.
When solving a numerical problem, follow a systematic approach. Write down the given data, what you need to find, and a clear plan of how to get there.
Pay close attention to units and dimensions. Ensure that all quantities used in the problem are in the same system of units. This will help you avoid calculation errors.
Be familiar with the relevant formulas and constants. Ensure you know how and when to apply them. Memorize key formulas, but also understand their derivations.
After solving a problem, double-check your answer to ensure accuracy. Cross-verify with the textbook or with a teacher if possible.
During the exam, manage your time wisely. Don't spend too much time on a single problem. If you get stuck, move on to the next and come back to it later if time permits.
Solve previous year question papers to get a sense of the exam pattern and types of questions frequently asked.
If you're stuck on a specific type of problem or concept, don't hesitate to seek help from your teacher, classmates, or online resources.
In problems involving graphs or diagrams, make sure your representations are neat and accurate.
Write your solutions neatly, use proper labeling, and maintain a logical flow of information in your answers.
Remember that consistent practice and a deep understanding of the concepts are the keys to scoring well in Physics numerical questions. Start early, maintain a positive attitude, and seek help when needed.
Benefits of Solving CBSE Class 12 Physics Important Questions
Our expert team have studied the question patterns followed by the CBSE board and have framed these questions to follow and practice. Hence, solving these questions will guide you to know more probable questions and help them score more.
The solutions framed for the questions will help students to resolve doubts faster and in better way. You will also learn how to answer such questions in the right format and score good in your board exams.
The solutions have been formulated in a stepwise simpler version so that you can easily understand how to use the concepts taught in a chapter and formulate such answers.
By solving these solutions, you can formulate the right strategy to attempt all the questions in an exam on time.
Why is eSaral the best platform for Class 12 Physics online classes?
eSaral is bringing a radical change in the way students prepare for their examinations via a medium that is simple to use and comes at absolutely free of cost. With a heavy schedule and busy lifestyle, it becomes difficult to source personal tutors for students. It is practically impossible for students to go for tuition for every subject which leaves them with very little time to study at home by themselves. Also, nowadays schools have teachers who provide a thorough understanding of the chapters in each subject. However, due to the lack of time schools are not able to train students on certain key aspects like important questions and revision of the key parts of certain chapters. We fills this gap by offering important questions for Class 12 Physics chapter wise free in PDF form which can be downloaded. The questions are designed after careful thought and consideration by experienced tutors. You are guaranteed to benefit from this free service and will definitely gain an added advantage in comparison to studying without any support. Online support in this form has formed a new way for students to increase their chances of securing higher grades.
Here are some reasons why our Physics Class 12 CBSE (NCERT) board important questions will benefit students for their board examinations:
We boasts some of the best teachers in India who draft the answers to the questions.
The questions chosen in every chapter are carefully picked after a lot of research by our expert teachers.
The answers are detailed and explanatory making it easy for students to learn and recall all the questions.
Our important questions for Class 12 Physics with answers Chapter-wise with solutions for free PDF to download helps save a lot of time for students by sifting out the important parts of every chapter and answers to the questions that are integral to the syllabus.
Frequently Asked Questions
Question 1: What are the benefits of the Important Questions of Class 12 physics?
Ans. The major benefit of Important questions for class 12 physics are
By practicing important questions, students gain confidence.
Once you start practicing questions, you will find out what type of numerical questions, derivations arise during exams.
It will help in important chapters and their marks distribution.
Increase your skills on important topics.
Question 2: What are the tips to score good marks in Class 12 Physics
Ans. While preparing for the CBSE class 12 Important questions for class 12 physics board exam can help you a lot. Use the following tips to improve your score in your exam.
Before starting your board preparation read the syllabus of CBSE class 12 physics.
Revise each mechanics part of class 11 physics.
Always try to make your class 12 physics notes write all important points.
Five marks questions in CBSE class 12 physics are directly from the derivation given in the NCERT physics textbook, so make sure you have learned and practiced all derivations.
NCERT text book and NCERT exercise are must , so solve all questions and numerical given in the exercise of class 12 physics textbook.