Niels Bohr was born and educated ... dense nucleus surrounded by a cloud of nearly weightless electrons. There were a few problems with the model, however. For example, according to classical ...

In 1912 Bohr joined Rutherford. He realized that Rutherford's model wasn't quite right ... or gives off energy (as in light or heat), the electron jumps to higher or lower orbits.

The angular momentum of an electron in a given stationary state can be expressed as an equation. NCERT has explained how Bohr’s model was too simple to account for the following points- It fails ...