In Class 12 Physics, students come across various crucial derivations for understanding foundational principles. Newton's Laws illuminate force and motion connections, while Coulomb's Law explores electrostatic interactions. Biot-Savart and Ampere's Laws reveal magnetic field origins. Maxwell's Equations deepen electromagnetism comprehension. Optical derivations elucidate refraction, diffraction, and interference. Modern Physics involves deriving Einstein's photoelectric equation and Schrödinger's equation for quantum mechanics insight. Students must refer to class resources for detailed guidance.