How to Score Good Marks in Physics Class 12 CBSE Board Exam 2025?

Board exams are often a daunting experience for students, and Class XII exams, in particular, represent a critical milestone in a student’s academic journey. The outcome of these exams not only reflects the culmination of years of study but also plays a pivotal role in shaping future academic and career paths. As soon as the Class 12 board exam schedule is released, students intensify their preparations, recognizing the importance of every subject.


For science stream students, excelling in Physics is essential. With the CBSE Class 12 Board Exams 2025 approaching, the question of how to achieve high marks in Physics becomes increasingly important. Known for its complexity, Physics can be a challenging subject for many students.

This blog is designed to guide students in their preparation for the CBSE Class 12 Physics exam, offering strategies and insights to help them succeed with confidence.

What are The Key Concepts of Physics Class 12?


Many students often turn to a variety of reference books when preparing for Class 12 Physics. These comprehensive texts can help simplify complex concepts and deepen understanding. However, students need to prioritize mastering the core concepts outlined in the syllabus. Both educators and the CBSE recommend thoroughly covering the main textbook before diving into supplementary resources. Students who perform well in the exams typically have a strong grasp of the fundamental topics from the primary syllabus.

To address the question of how to score well in Physics for Class 12, it’s crucial to first focus on the key concepts that form the foundation of the exam.

Chapter-wise breakdown of the important topics: 

Chapters

Important Topics

Chapter 1 Electric Charges and Field

• Coulomb’s Law

• Forces between multiple charges electric field due to system of charges

• Electric dipole’s electric field on the axial and equatorial point

• Electric dipole in an external electric field

• Gauss’s law applications

Chapter 2 Electrostatic Potential and Capacitance

• Potential and Electric potential energy due to electric dipole and system of charges

• Equipotential surfaces

• Effect of dielectric on capacitors

• Combinations of capacitors

• Energy stored in capacitors

Chapter 3 Current Electricity

• Ohm’s Law

• Limitations of Ohm’s law

• Resistivity of different materials

• Combination of resistors

• Combination of cells

• Kirchhoff’s law

• Meter bridge

• Potentiometer

Chapter 4 Moving Charges and Magnetism


• Magnetic force on a current-carrying wire

• Motion in a magnetic field

• Velocity selector

• Cyclotron

• Magnetic field on the axis of a circular current-carrying loop

• Ampere’s circuital law

• Force between two parallel current-carrying wires

• Moving coil galvanometer

Chapter 5 Magnetism and Matter


• Axial magnetic field of a bar magnet as solenoid

• Electric dipole in a uniform magnetic field

• Diamagnetic, Paramagnetic, Ferromagnetic Substances

• Hysteresis Loop

Chapter 6 Electromagnetic Induction



• Magnetic flux

• Faraday’s law of induction

• Lens law

• Motional EMF

• Self-inductance and mutual-inductance

Chapter 7 Alternating Current

• RC, LC, LR, and LCR Circuits

• LC oscillations

• Power factor

• Resonance and Sharpness

• Transformers

Chapter 8 Electromagnetic Waves

• Displacement Current

• EM waves

• Nature of EM waves

Chapter 9 Ray Optics and Optical Instruments

• Image formation by spherical mirrors

• Image formation by spherical lenses

• Total internal reflection

• Power and combination of lenses

• Refraction through a Prism

• Natural phenomenons due to light

• Eye

• Telescope

• Microscope

Chapter 10 Wave Optics

• Reflection and refraction of plane waves using the Huygen principle

• Incoherent and coherent waves addition

• Interference and Young’s double-slit experiment

• Diffraction of light

• Resolving power of optical Instruments

• Polarization by scattering

Chapter 11 Dual Nature of Radiation and Matter

• Photoelectric effect

• Einstein photoelectric equation

• de Broglie hypothesis

• Davisson and Germer experiment

Chapter 12 Atoms

• Electron Orbits

• Atomic spectra

• Bohr Model of Hydrogen atom

• Line spectra of the Hydrogen atom

• de-Broglie explanation of Bohr’s postulate

Chapter 13 Nuclei



• Nuclear binding energy

• Radioactivity

• Radioactive decays

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

• Intrinsic semiconductors

• Extrinsic semiconductors

• p-n Junction diode

• p-n Junction in forward bias and reverse bias

• Junction diode as a rectifier

• Zener diode as a voltage regulator

• n-p-n and p-n-p transistor

• Transistor as an amplifier

• Logic gates

Chapter 15 Communication Systems




• Elements of communication system

• Basic terminologies of electronic communication system

• Propagation of EM waves

• Amplitude modulation



How to Score Good Marks in Physics Class 12 CBSE?


Achieving high marks in Physics for the Class 12 CBSE board exams can feel challenging, but with the right approach, it’s entirely possible. Below are proven strategies to help you boost your confidence and succeed in the upcoming exam.

1. Prioritize Key Chapters

The Class 12 CBSE Physics syllabus is vast, and not all chapters carry the same weight in the exam. To maximize your score, focus on high-scoring chapters such as Electrostatics, Current Electricity, and Electromagnetic Induction, as they form the foundation for more complex topics. A solid understanding of these fundamental concepts not only helps in these chapters but also enhances your overall comprehension of Physics.

2. Ensure Conceptual Clarity

Physics is often seen as a subject filled with formulas and equations, but simply memorizing them won’t suffice. To excel, it’s important to truly understand the concepts behind the formulas. Grasp the “why” as well as the “how” of every concept to develop a deeper understanding, which is critical for solving complex problems and answering theoretical questions effectively.

3. Practice Numerical Problems

Physics numericals require both conceptual knowledge and strong mathematical skills. Invest time in practicing problems from chapters such as Optics and Electromagnetism, which often feature numerical questions. Focus on understanding the step-by-step process behind each solution, which will not only improve your problem-solving abilities but also reinforce your understanding of key concepts.

4. Master Derivations and Diagrams

Scoring well in Physics isn’t just about solving numerical problems. Theoretical questions, especially those that require derivations, are just as important. Memorize and practice derivations thoroughly, as they are often included in the exam. Additionally, clear and well-labeled diagrams, especially for topics like Ray Optics and Electromagnetic Waves, are essential. Well-executed diagrams demonstrate your grasp of the concepts and can make a significant difference in your score.

5. Focus on NCERT Textbooks

The NCERT textbook is your primary resource for Class 12 Physics. It’s designed to cover the entire syllabus, and many board exam questions are directly derived from it. Thoroughly read the NCERT book, making sure you understand every concept and example. Mastering the NCERT material is one of the most effective ways to ensure a high score in Physics.

6. Solve Sample Papers

One of the best ways to prepare for the exam is by solving sample papers. These papers simulate the real exam experience, familiarizing you with the question pattern and time management. Practicing with sample papers will help you refine your strategy, improve your speed, and reduce exam anxiety.

7. Create Concept Maps

Physics often involves complex and interconnected concepts. Creating concept maps or flowcharts can help simplify these relationships, making the material more digestible. These visual aids will not only deepen your understanding but also serve as an effective review tool, allowing you to see both the big picture and the finer details of each topic.

8. Regular Practice and Review

Consistent practice and regular revision are key to retaining information over the long term. Set aside time to regularly review what you’ve learned, and summarize each chapter in your own words. Creating condensed versions of the material will make it easier to review before the exam.

How to Get Good Marks in Physics Class 12 by Utilizing Resources?

Using the right resources is crucial for mastering Physics. Here's how you can make the most of available tools to enhance your preparation:

1. Textbooks and Supplementary Resources

The NCERT textbook should be your primary resource but don’t hesitate to consult additional reference books for deeper insights. Take notes, highlight key points, and engage actively with the material. Make use of the textbook's summaries, review sections, and practice questions to solidify your understanding.

2. Leverage Online Resources

The internet offers a wealth of resources that can aid your study. Websites like the Quizly.app provide free and paid Notes and videos that break down complex Physics concepts. Additionally, YouTube channels offer video tutorials and animations that simplify difficult topics. Be sure to choose reliable sources that align with the CBSE syllabus, and engage in online forums to discuss topics with peers.

3. Join Study Groups for Collaborative Learning

Studying with others can offer new perspectives on difficult topics. By explaining concepts to others and listening to their viewpoints, you can reinforce your understanding. However, ensure that your study group remains focused on learning rather than becoming a social gathering.

4. Seek Guidance from Teachers and Mentors

Your teachers and mentors are invaluable resources. Don’t hesitate to ask questions or seek clarification on difficult concepts. Teachers appreciate students who show initiative and a genuine interest in learning, and their insights can greatly enhance your preparation.

5. Utilize Libraries and Academic Centers

Libraries are excellent places to study, offering a quiet environment and access to academic publications, reference books, and research papers. Many academic centers also provide additional tutoring or resources to help you excel.

Final Thoughts

Success in the Class 12 Physics board exam requires a combination of strategic planning, conceptual clarity, and consistent practice. By prioritizing key chapters, mastering the NCERT textbook, and making the most of additional resources, you can confidently approach the exam and achieve the marks you aim for. With dedication and the right tools, acing Physics is within your reach!


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