12 questions have been dropped out of the provisional JEE answer key. Based on the final JEE Main answer key, Om Prakash Behera is the AIR 1 in JEE Main 2025. The last date to submit the JEE Main 2025 session 2 application form is February 25, 2025. Candidates who wish to appear for...
Bohr model of a hydrogen atom - its postulates, derivation of the relations for the energy of the electron and radii of the different orbits, limitations of Bohr's model; Dual nature of matter, de Broglie's relationship. Heisenberg uncertainty principle. Elementary ideas of quantum mechanics, ...