Achieve mastery in physics with GRB New Era Physics for Class 12, the ultimate resource for CBSE board and JEE Main/Advanced preparation. This comprehensive guide covers electrostatics, current electricity, magnetism, optics, modern physics, electromagnetic induction, and semiconductor devices with thorough explanations and mathematical rigor. Loaded with solved numericals, practice problems, MCQs, assertion-reason questions, and previous years' papers, it develops deep conceptual understanding and problem-solving expertise. Perfect for competitive exam aspirants and board toppers. Trusted by JEE qualifiers nationwide, this book ensures complete preparation and outstanding results in physics.