CBSE Board Exam 2025: Class 12 Physics Exam Today, Marking Breakdown and Key Information

The Central Board of Secondary Education (CBSE) will conduct the Class 12 Physics board exam today, from 10:30 am to 1:30 pm. Before starting, students will be given a 15-minute reading time to go through the question paper. The exam will consist of five sections—A, B, C, D, and E—with a total of 33 questions, and all must be attempted by the students.

The CBSE Class 12 board exams began on February 15, and several subjects have already been held, including Entrepreneurship, Physical Education, Hindustani Music (Vocal and Instrumental), Automotive, Healthcare, Data Science, Electronics, Food Production, Office Procedures, Design, Early Childhood Care, and Typography & Computer Applications.

For the Physics exam, students are required to carry their CBSE Class 12 admit card and school ID to the exam centre. The admit cards were issued on February 3.

Once the exam is over, an analysis of the CBSE Class 12 Physics paper will be available.

CBSE Class 12 Physics Exam Marking Scheme:

The exam is structured with specific sections, each with its own set of questions and marking scheme:

• Section A: This section contains 16 questions, including 12 multiple-choice questions (MCQs) and 4 assertion-reasoning questions, each worth 1 mark (Total: 16 marks).
• Section B: Comprising 5 questions, each carrying 2 marks (Total: 10 marks).
• Section C: This section has 7 questions, each worth 3 marks (Total: 21 marks).
• Section D: Consists of 2 case-study-based questions, each carrying 4 marks (Total: 8 marks).
• Section E: Contains 3 long-answer questions, each worth 5 marks (Total: 15 marks).

The total marks for the Physics exam are 70.

Unit-wise Marking Breakdown for CBSE Class 12 Physics:

The Physics exam is divided into various units, with specific marks allotted to each:

• Unit I: Electrostatics

  • Electric Charges and Fields
  • Electrostatic Potential and Capacitance
    (Total: 16 Marks for Units 1 & 2)

• Unit II: Current Electricity

  • Current Electricity
    (Total: 16 Marks for Units 1 & 2)

• Unit III: Magnetic Effects of Current and Magnetism

  • Moving Charges and Magnetism
  • Magnetism and Matter
    (Total: 17 Marks for Units 3 & 4)

• Unit IV: Electromagnetic Induction and Alternating Currents

  • Electromagnetic Induction
  • Alternating Current
    (Total: 17 Marks for Units 3 & 4)

• Unit V: Electromagnetic Waves

  • Electromagnetic Waves
    (Total: 18 Marks)

• Unit VI: Optics

  • Ray Optics and Optical Instruments
  • Wave Optics
    (Total: 18 Marks for Units 5 & 6)

• Unit VII: Dual Nature of Radiation and Matter

  • Dual Nature of Radiation and Matter
    (Total: 12 Marks for Units 7 & 8)

• Unit VIII: Atoms and Nuclei

  • Atoms
  • Nuclei
    (Total: 12 Marks for Units 7 & 8)

• Unit IX: Electronic Devices

  • Semiconductor Electronics: Materials, Devices, and Simple Circuits
    (Total: 7 Marks)

The final score of the CBSE Class 12 Physics paper is worth 70 marks, while practicals contribute 30 marks, bringing the total to 100 marks.