How to answer ISC Class 12 Physics 2025 paper? Board teacher suggestions, reviews

ISC Class 12 Physics 2025 paper: ISC Class 12 Physics exam 2025 will take place on March 7, 2025 from 2:00 PM. The duration of the exam will be 3 hours. Before starting to answer the questions, students will have an extra fifteen minutes to thoroughly study the question paper. The theoretical part of the ISC Class 12 Physics 2025 exam consists of a theory paper of 70 marks, while the practical part has a value of 30 marks. Optics, with 18 marks, Magnetic Effects of Current and Magnetism, with 16 marks, and Electrostatics, with 14 marks, are all key high-weightage topics. In practical paper, there is 15 marks for practical work, 10 marks for project work, 5 marks for the practical file.

How to answer ISC Class 12 Physics 2025 paper?

Candidates gearing up for the ISC Class 12 Physics 2025 exam can check below detailed analysis of the ISC Class 12 Physics exam 2024 to improve their performance in the upcoming exam.

We have posted ISC Class 12 Physics Board question paper 2024 analysis with answer key and Examiners’ comments so that you can analyze the material to prepare the subject as well as know how to answer the questions and score full marks. Board examiners commented on students' difficulties with drift velocity, meter bridge concepts, and the distinction between vector and magnitude form in Lorentz force. Assertion/reasoning questions were also challenging. However, many could not differentiate a point and its locus regarding electric potential.

According to Board Teachers, school teachers should cover practical applications, hands-on experiments for circuits, and vector concepts. Show the difference between series and parallel combinations for cells and bulbs, explain the properties of magnetic materials, temperature dependence, and graphical treatment of susceptibility. Provide examples to clarify wavefront shapes, AC/ DC conversion, and pair production.

ISC Class 12 Physics 2025 Paper: Suggestions for Candidates

Here are some important suggestions by board teachers to students going to attempt the ISC Class 12 Physics 2025 exam on March 7.

• Link images to associate concepts such as ray diagrams, graphs or drawings.
• Practice derivations with diagrams that are completely labeled. Sufficient numerical problems under each concept should be practiced.
• Be acquainted with different types of questions, including Assertion-Reason as well as multiple choice questions (MCQ).
• Do not skip articles based on integration and derivatives in Physics; invest time in understanding it.
• Practice drawing graphs, with both axes labeled with symbols, units and the marking scheme, for theory and practical exams.
• If there is a circuit diagram, then show the direction of current. Give the correct convention for the magnetic field or if it is perpendicular to the plane of the paper, inwards, or outwards.
• Angles, distances and the direction arrows that indicate the path of light must be labelled in ray diagrams.
• Always mention the three steps in solving numerical problems: formula, substitution, and the answer (with correct significant figures and units).
• Do not round intermediate calculations; use a scientific calculator.
• While practicing derivations always look to get the labelling of the diagarm correct.
• Keep in mind that writing both can be interpreted as contradicting when derivations like the electric dipole axial/equatorial line or Huygens' principle for reflection/refraction are needed.
• Identify derivations and numerical problems in the specimen papers and do regular practice.
• Study ISC examination Question papers of previous years and pupil performance analysis given by council from time to time to find out the expected answers and identify the errors.
• Put the concepts into practice in your immediate environment. See if you can draw a connection between a concept in Physics to one in Mathematics and vice versa. Make projects or models with the help of e-resources based on the principles that have been learned.
• The constant values mentioned in the question paper should be used to solve numericals.
• To solve numerical problems, mention the formula at the beginning
• Practice converting from CGS units to SI units and the vice-versa.
• Draw block-and-tackle systems of pulleys (with straight string and main ropes of unequal length) and practice using rigid suspension of support and tension in the string opposite to the direction of the load.
• No writing of answers in fractional form. Express them in decimal form.

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