CBSE Board Exam 2025: The Central Board of Secondary Education (CBSE) has launched the date sheet for Class 10 and 12 college students showing within the 2025 board exams. According to the timetable, the Class 12 Physics board exam 2025 is scheduled for February 21, 2025. With lower than three months to organize, college students are rigorously getting ready for this important exam.
To help them ace the CBSE Class 12 Physics Board Exam 2025Shailendra Pandey, Faculty, Physics Wallah has compiled a set of repeated questions. While these professional ideas will add worth to the preparation, college students are suggested to finish their syllabus totally and observe questions from textbooks, pattern papers, mannequin papers, and previous years’ query papers out there on the board’s official web site.
CBSE Class 12 Physics Board Exam 2025: Repeated questions in previous board exams
Chapter 1: Electric Charges and Fields
- State Gauss’s theorem and apply it to seek out the electrical discipline as a result of an infinitely lengthy straight uniformly charged wire. (Years: 2019, 2021, 2023)
- Derive the expression for the electrical discipline as a result of an electrical dipole at some extent on its axial line. (Years: 2017, 2020)
Chapter 2: Electrostatic Potential and Capacitance
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- Derive the expression for the potential vitality of a system of two level expenses. (Years: 2016, 2020)
- Explain the working of a parallel plate capacitor with a dielectric slab. Derive the expression for its capacitance. (Years: 2017, 2021)
Chapter 3: Current Electricity
- State and clarify Kirchhoff’s legal guidelines with an instance. (Years: 2017, 2019, 2023)
- Derive the relation between present density, drift velocity, and electrical discipline. (Years: 2016, 2021)
- Numerical: A potentiometer is used to measure the EMF of a cell. Explain why a potentiometer is most well-liked over a voltmeter for such measurements. (Years: 2018, 2022)
Chapter 4: Moving Charges and Magnetism
- Derive the expression for the pressure appearing on a charged particle transferring in a uniform magnetic discipline. (Years: 2018, 2020, 2023)
- State Bio-Savart regulation. Use it to derive the expression for the magnetic discipline on the heart of a round loop carrying present. (Years: 2017, 2021)
Chapter 6: Electromagnetic Induction
- State Faraday’s legal guidelines of electromagnetic induction and derive the expression for induced EMF in a coil. (Years: 2015, 2018, 2021)
- Explain the working of an AC generator with a labeled diagram. (Years: 2017, 2020)
Chapter 7: Alternating Current
- Derive the expression for the impedance of an LCR collection circuit. (Years: 2017, 2020)
- Explain the idea of resonance in an AC circuit. What is the situation for resonance? (Years: 2018, 2021)
Chapter 9: Ray Optics and Optical Instruments
- Derive the lens maker’s method for a convex lens. (Years: 2016, 2018, 2022)
- Explain whole inside reflection with two situations for it to happen. (Years: 2017, 2020)
Chapter 10: Wave Optics
- State the situations for constructive and harmful interference in Young’s Double Slit Experiment (YDSE). (Years: 2018, 2020, 2023)
- Define wavefront and clarify the kinds (spherical, aircraft, and cylindrical wavefronts). (Years: 2017, 2019)
- Explain Huygens’ precept and use it to show the legal guidelines of reflection or refraction. (Years: 2016, 2018, 2022)
- Derive the situation for constructive and harmful interference in YDSE. (Years: 2015, 2021)
Chapter 11: Dual Nature of Matter and Radiation
- State Einstein’s photoelectric equation and clarify its significance. (Years: 2018, 2021)
- Derive the expression for the de Broglie wavelength of a particle. (Years: 2016, 2020)
Chapter 12: Atoms
- Explain Bohr’s postulates and derive the expression for the radius of an electron’s orbit in a hydrogen atom. (Years: 2017, 2020)
Chapter 13: Nuclei
- Explain the binding vitality curve and its significance. (Years: 2015, 2020)
Chapter 14: Semiconductor Electronics
- Explain the working of a pn junction diode. (Years: 2017, 2020, 2022)
- Draw the output waveform for the half-wave and full-wave rectifier. (Years: 2016, 2021)
CBSE Board Exam 2025: Preparation ideas for Class 12 Physics board exam
Understand the Syllabus: Familiarize your self with the most recent CBSE syllabus, specializing in chapters with greater weightage like Optics, Electrostatics, and Current Electricity. Be conscious of subjects which were eliminated or modified to streamline your preparation.
Organize Study Materials: Use NCERT textbooks and the NCERT Wallah YouTube Channel (Vijeta Series) as your main assets. Additionally, confer with supplementary guides like SL Arora for further numericals and maintain CBSE pattern papers and previous years’ query papers useful for observe.
Create a Study Plan: Divide your examine time between concept and numericals (eg, 40% concept, 60% numericals). Make certain to allocate time for every day revisions and mock assessments to remain on observe and consider your progress often.
Master the Basics: Ensure a transparent understanding of basic ideas, formulation, and definitions. Revise key formulation and derivations every day and preserve a method sheet for fast reference throughout revision periods.
Practice Numericals: Solve all solved and unsolved numericals from NCERT, specializing in excessive-weightage subjects like Current Electricity, Electrostatics, Ray and Wave Optics, Magnetic Effects of Current, and Alternating Current. Gradually transfer to harder issues from reference books.
Focus on Important Derivations: Memorize and observe step-by-step derivations, as they’re typically requested in exams. Focus on derivations such because the lens maker’s method, electrical discipline as a result of a dipole, Biot-Savart regulation, and EMF in a rotating coil (AC generator).
Solve Sample Papers: Solve at the least three pattern papers underneath exam situations through the closing month of preparation. Analyze your efficiency to determine weak areas, time administration points, and areas needing additional revision.
Revise Regularly: Regularly revise theoretical ideas, formulation, and key questions to strengthen your information. Practice numericals and derivations till you are assured and comfy with fixing them within the exam.
Use Flashcards: Create flashcards for formulation, models, dimensions, and legal guidelines, making them excellent for fast revision of essential ideas. They will enable you to rapidly recall important info earlier than exams.
Take Care of Presentation: Practice drawing neat, labeled diagrams equivalent to ray and circuit diagrams. When answering, write derivations systematically by beginning with the method, together with correct models in numerical solutions, and boxing the ultimate reply to spotlight it.
