The Central Board of Secondary Education (CBSE) has launched the date sheet for the Class 10 and 12 Board Exams 2025. For Class 12 college students, exams will start on February 15, 2025, and conclude on April 4, 2025. According to the schedule , the Class 12 Physics examination is slated for February 21, 2025. With lower than three months left, college students are intensively getting ready to excel on this essential topic.
To support of their preparation, Shailendra Pandey, a school member at Physics Wallah, has curated a listing of expected questions for the Class 12 Physics Board Exam 2025. While these skilled insights are helpful, college students are additionally inspired to concentrate on textbooks, pattern papers , mannequin query papers, and earlier years’ papers out there on CBSE’s official web site.
This article highlights a number of the expected questions from key chapters like Atoms, Nuclei, and Semiconductor Electronics.
CBSE Board Exam 2025: Expected questions from Atoms, Nuclei, and Semiconductor Electronics – Materials, Devices, and Simple Circuits
Chapter 12: Atoms
Question 1: Explain Rutherford’s mannequin of the atom and its limitations.
Question 2: Derive the expression for the radius of the nth orbit of the hydrogen atom utilizing Bohr’s mannequin.
Question 3: State and derive the expression for the vitality of an electron within the nth orbit of a hydrogen atom.
Question 4: Explain the spectral sequence of the hydrogen atom (Lyman, Balmer, and many others.).
Question 5: Numerical: Calculate the wavelength of the emitted photon throughout the transition of an electron between two vitality ranges in a hydrogen atom.
Chapter 13: Nuclei
Question 1: Define mass defect and binding vitality. Derive the relation between them.
Question 2: Explain the nuclear pressure and its traits.
Question 3: Explain nuclear fission and fusion, with their functions in vitality manufacturing.
Chapter 14: Semiconductor Electronics – Materials, Devices, and Simple Circuits
Question 1: Explain the distinction between intrinsic and extrinsic semiconductors.
Question 2: Discuss the working of a pn junction diode in ahead and reverse bias.
Question 3: Draw and clarify the circuit diagram of a half-wave rectifier.
Question 4: Derive the expression for the effectivity of a full-wave rectifier.
CBSE Board Exam 2025: Preparation suggestions for Class 12 Physics board examination
Understand the Syllabus: Familiarize your self with the most recent CBSE syllabus, specializing in chapters with increased weightage like Optics, Electrostatics, and Current Electricity. Be conscious of subjects which have been eliminated or modified to streamline your preparation.
Organize Study Materials: Use NCERT textbooks and the NCERT Wallah YouTube Channel (Vijeta Series) as your main sources. Additionally, confer with supplementary guides like SL Arora for further numerical and preserve CBSE pattern papers and previous years’ query papers useful for follow.
Create a Study Plan: Divide your examine time between principle and numerical (eg, 40% principle, 60% numerical). Make positive to allocate time for each day revisions and mock assessments to remain on monitor and consider your progress repeatedly.
Master the Basics: Ensure a transparent understanding of basic ideas, formulation, and definitions. Revise key formulation and derivations each day and preserve a formulation sheet for fast reference throughout revision classes.
Practice Numerical: Solve all solved and unsolved numerical 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 follow step-by-step derivations, as they’re typically requested in exams. Focus on derivations such because the lens maker’s formulation, electrical subject as a result of a dipole, Biot-Savart regulation, and EMF in a rotating coil (AC generator).
Solve Sample Papers: Solve no less than three pattern papers below examination situations throughout the remaining month of preparation. Analyze your efficiency to establish weak areas, time administration points, and areas needing additional revision.
Revise Regularly: Regularly revise theoretical ideas, formulation, and key questions to bolster your information. Practice numerical and derivations till you are assured and comfy with fixing them within the examination.
