Class 12 Physics: Important Chapters, Derivations & Weightage (Free)
High-weightage CBSE Class 12 Physics chapters, must-know derivations and numericals, with free chapter-wise practice and mocks for boards + JEE/NEET.
TL;DR: High-weightage CBSE Class 12 Physics chapters, must-know derivations and numericals, with free chapter-wise practice and mocks for boards + JEE/NEET.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
High-weightage CBSE Class 12 Physics chapters, must-know derivations and numericals, with free chapter-wise practice and mocks for boards + JEE/NEET.
Class 12 Physics is scoring if you prioritise the high-weightage units and master derivations.
Highest weightage: Electrostatics, Current Electricity, Magnetic Effects & Magnetism, Electromagnetic Induction & AC, and Optics. Together these dominate the board paper and overlap heavily with JEE/NEET.
Must-know derivations: electric field of a dipole, potential due to a point charge, force between parallel wires, EMF in a coil, lens-maker's formula, and Young's double-slit. Boards ask these almost every year.
Method: read NCERT, write each derivation by hand until you can reproduce it, then solve numericals to build speed. Don't memorise blindly — understand the steps so you can handle twists.
On Syllab.in, practise Class 12 Physics chapter-wise MCQs free, take mock tests, and ask the AI tutor to walk through any derivation step by step.