Niels bohr biography pdf free

Danish physicist (1885–1962)

"Bohr" redirects here. For other uses, see Bohr (disambiguation).

Niels Henrik David Bohr (7 October 1885 – 18 November 1962) was a Danish theoretical physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922.

Bohr was also a philosopher and a promoter of scientific research.

Niels bohr biography pdf free

Bohr developed the Bohr model of the atom, in which he proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level (or orbit) to another.

Although the Bohr model has been supplanted by other models, its underlying principles remain valid. He conceived the principle of complementarity: that items could be separately analysed in terms of contradictory properties, like behaving as a wave or a stream of particles.

The notion of complementarity dominated Bohr's thinking